CE?(ABC332D)
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  • 发布时间2024/4/13 21:40
  • 上次更新2024/4/14 00:38:17
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CE?(ABC332D)
1286053
Nostopathy楼主2024/4/13 21:40
/* Luogu-ip */
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdalign>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
using namespace std;
int n,m,ans=0x7f7f7f7f,a[6][6],b[6][6],p[6]={0,1,2,3,4,5},q[6]={0,1,2,3,4,5};
bool i_cp(int x[6][6],int y[6][6]){
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			if(x[p[i]][q[j]]!=y[i][j])
				return 0;
	return 1;
}
int main(){
	cin>>n>>m;
	for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
	for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>b[i];
	do{
		do{
			if(!i_cp(a,b))continue;
			int num=0;
			for(int i=1;i<=n;++i)for(int j=1;j<=n;++j)num+=(i<j&&p[i]>p[j]);
			for(int i=1;i<=m;++i)for(int j=1;j<=m;++j)num+=(i<j&&q[i]>q[j]);
			ans=ans>num?ans:num;
		}while(next_permutation(q+1,q+m+1));
	}while(next_permutation(p+1,p+n+1));
	cout<<ans==0x7f7f7f7f?-1:ans<<'\n';
}
CE:
  -这-里-是-分-割-线-
  main.cpp: In function ‘int main()’:
main.cpp:89:47: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int [6]’)
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                            ~~~^~~~~~
      |                                            |       |
      |                                            |       int [6]
      |                                            std::istream {aka std::basic_istream<char>}
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:168:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:168:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: cannot bind non-const lvalue reference of type ‘bool&’ to an rvalue of type ‘bool’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:172:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ <near match>
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:172:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘short int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(short int)((int*)(& a[i]))’ to ‘short int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:175:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:175:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘short unsigned int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(short unsigned int)((int*)(& a[i]))’ to ‘short unsigned int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:179:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ <near match>
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:179:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(int)((int*)(& a[i]))’ to ‘int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:182:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:182:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘unsigned int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(unsigned int)((int*)(& a[i]))’ to ‘unsigned int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:186:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:186:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘long int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(long int)((int*)(& a[i]))’ to ‘long int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:190:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:190:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘long unsigned int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(long unsigned int)((int*)(& a[i]))’ to ‘long unsigned int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:195:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:195:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘long long int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(long long int)((int*)(& a[i]))’ to ‘long long int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:199:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:199:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: invalid conversion from ‘int*’ to ‘long long unsigned int’ [-fpermissive]
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
      |                                                    |
      |                                                    int*
main.cpp:89:52: error: cannot bind rvalue ‘(long long unsigned int)((int*)(& a[i]))’ to ‘long long unsigned int&’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:235:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  235 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:235:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:89:52: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:120:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:120:36: note:   no known conversion for argument 1 from ‘int [6]’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’}
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:124:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]’
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:124:32: note:   no known conversion for argument 1 from ‘int [6]’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’}
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:131:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:131:30: note:   no known conversion for argument 1 from ‘int [6]’ to ‘std::ios_base& (*)(std::ios_base&)’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:214:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  214 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:214:25: note:   no known conversion for argument 1 from ‘int [6]’ to ‘float&’
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:218:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  218 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:218:26: note:   no known conversion for argument 1 from ‘int [6]’ to ‘double&’
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:222:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  222 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:222:31: note:   no known conversion for argument 1 from ‘int [6]’ to ‘long double&’
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:259:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]’
  259 |       operator>>(__streambuf_type* __sb);
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:259:36: note:   no known conversion for argument 1 from ‘int [6]’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’}
  259 |       operator>>(__streambuf_type* __sb);
      |                  ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/string:56,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/bits/locale_classes.h:40,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/bits/ios_base.h:41,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ios:42,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/istream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/basic_string.tcc:1466:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
 1466 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/basic_string.tcc:1466:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/istream:991,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/istream.tcc:931:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)’
  931 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘int [6]’)
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:756:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)’
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:756:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘unsigned char&’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:761:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)’
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:761:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘signed char&’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/istream:991,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/istream.tcc:963:5: note: candidate: ‘template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)’
  963 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   deduced conflicting types for parameter ‘_CharT2’ (‘char’ and ‘int’)
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:803:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)’
  803 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:803:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘unsigned char*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:808:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)’
  808 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:808:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘signed char*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:980:5: note: candidate: ‘template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&)’
  980 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:980:5: note:   template argument deduction/substitution failed:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream: In substitution of ‘template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = int (&)[6]]’:
main.cpp:89:52:   required from here
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:980:5: error: no type named ‘type’ in ‘struct std::enable_if<false, std::basic_istream<char>&>’
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/complex:494:5: note: candidate: ‘template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)’
  494 |     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/complex:494:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::complex<_Tp>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:28:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bitset:1470:5: note: candidate: ‘template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)’
 1470 |     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bitset:1470:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::bitset<_Nb>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:71:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)’
   71 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:71:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::_Resetiosflags’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:101:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)’
  101 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:101:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::_Setiosflags’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:132:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)’
  132 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:132:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::_Setbase’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:170:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)’
  170 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:170:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::_Setfill<_CharT>’ and ‘int*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:200:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)’
  200 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:200:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::_Setprecision’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:230:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)’
  230 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:230:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::_Setw’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:264:5: note: candidate: ‘template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)’
  264 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:264:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::_Get_money<_MoneyT>’ and ‘int*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:34:
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:418:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)’
  418 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/iomanip:418:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::_Get_time<_CharT>’ and ‘int*’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:603,
                 from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note: candidate: ‘template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)’
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   ‘std::istream’ {aka ‘std::basic_istream<char>’} is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:603,
                 from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)’
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   ‘std::istream’ {aka ‘std::basic_istream<char>’} is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:603,
                 from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)’
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:603,
                 from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)’
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   ‘std::istream’ {aka ‘std::basic_istream<char>’} is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:603,
                 from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)’
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note: candidate: ‘template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const std::valarray<_Tp>&)’
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   ‘std::istream’ {aka ‘std::basic_istream<char>’} is not derived from ‘const std::valarray<_Tp>’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note: candidate: ‘template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)’
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   ‘std::istream’ {aka ‘std::basic_istream<char>’} is not derived from ‘const std::valarray<_Tp>’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from main.cpp:57:
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note: candidate: ‘template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)’
 1194 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/valarray:1194:1: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘const std::valarray<_Tp>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:898:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_int_distribution<_IntType>&)’
  898 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:898:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::uniform_int_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:960:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_real_distribution<_IntType>&)’
  960 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:960:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::uniform_real_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2153:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::cauchy_distribution<_RealType>&)’
 2153 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2153:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::cauchy_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:49,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.h:3714:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bernoulli_distribution&)’
 3714 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.h:3714:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   cannot convert ‘a[i]’ (type ‘int [6]’) to type ‘std::bernoulli_distribution&’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1104:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::geometric_distribution<_IntType>&)’
 1104 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1104:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::geometric_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1760:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::exponential_distribution<_RealType>&)’
 1760 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1760:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::exponential_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2552:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::weibull_distribution<_RealType>&)’
 2552 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2552:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::weibull_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2628:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::extreme_value_distribution<_RealType>&)’
 2628 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2628:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::extreme_value_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:176:5: note: candidate: ‘template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::linear_congruential_engine<_UIntType, __a, __c, __m>&)’
  176 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:176:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::linear_congruential_engine<_UIntType, __a, __c, __m>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:504:5: note: candidate: ‘template<class _UIntType1, long unsigned int __w1, long unsigned int __n1, long unsigned int __m1, long unsigned int __r1, _UIntType1 __a1, long unsigned int __u1, _UIntType1 __d1, long unsigned int __s1, _UIntType1 __b1, long unsigned int __t1, _UIntType1 __c1, long unsigned int __l1, _UIntType1 __f1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&)’
  504 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:504:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:657:5: note: candidate: ‘template<class _UIntType, long unsigned int __w, long unsigned int __s, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&)’
  657 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:657:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::subtract_with_carry_engine<_UIntType, __w, __s, __r>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:725:5: note: candidate: ‘template<class _RandomNumberEngine, long unsigned int __p, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discard_block_engine<_RandomNumberEngine, __p, __r>&)’
  725 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:725:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::discard_block_engine<_RandomNumberEngine, __p, __r>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:856:5: note: candidate: ‘template<class _RandomNumberEngine, long unsigned int __k, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::shuffle_order_engine<_RandomNumberEngine, __k>&)’
  856 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:856:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::shuffle_order_engine<_RandomNumberEngine, __k>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1220:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::negative_binomial_distribution<_IntType>&)’
 1220 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1220:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::negative_binomial_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1431:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::poisson_distribution<_IntType>&)’
 1431 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1431:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::poisson_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1699:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::binomial_distribution<_IntType>&)’
 1699 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1699:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::binomial_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1931:5: note: candidate: ‘template<class _RealType1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::normal_distribution<_RealType>&)’
 1931 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1931:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::normal_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1994:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::lognormal_distribution<_RealType>&)’
 1994 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:1994:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::lognormal_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2066:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::chi_squared_distribution<_RealType>&)’
 2066 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2066:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::chi_squared_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2231:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::fisher_f_distribution<_RealType>&)’
 2231 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2231:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::fisher_f_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2305:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::student_t_distribution<_RealType>&)’
 2305 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2305:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::student_t_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2475:5: note: candidate: ‘template<class _RealType1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::gamma_distribution<_RealType>&)’
 2475 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2475:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::gamma_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2767:5: note: candidate: ‘template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discrete_distribution<_IntType>&)’
 2767 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2767:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::discrete_distribution<_IntType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2982:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::piecewise_constant_distribution<_RealType>&)’
 2982 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:2982:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::piecewise_constant_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/random:51,
                 from main.cpp:67:
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:3198:5: note: candidate: ‘template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::piecewise_linear_distribution<_RealType>&)’
 3198 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/bits/random.tcc:3198:5: note:   template argument deduction/substitution failed:
main.cpp:89:52: note:   mismatched types ‘std::piecewise_linear_distribution<_RealType>’ and ‘int [6]’
   89 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>a[i];
      |                                                    ^
main.cpp:90:47: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int [6]’)
   90 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>b[i];
      |                                            ~~~^~~~~~
      |                                            |       |
      |                                            |       int [6]
      |                                            std::istream {aka std::basic_istream<char>}
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/ccomplex:39,
                 from main.cpp:18:
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:168:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ <near match>
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/local/gcc-9.2.0/include/c++/9.2.0/istream:168:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:90:52: error: cannot bind non-const lvalue reference of type ‘bool&’ to an rvalue of type ‘bool’
   90 |  for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)cin>>b[i];
      |                                                 ~~~^
In file included from /usr/local/gcc-9.2.0/include/c++/9.2.0/sstream:38,
                 from /usr/local/gcc-9.2.0/include/c++/9.2.0/complex:45,
                 from /usr/local/gcc-
2024/4/13 21:40
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