虽然很烂,但是能用
#include <bits/stdc++.h>
using namespace std;
vector<int> a;
int rnd() {
return a[rand()%a.size()];
}
void del(int x) {
for (auto i=a.begin();i!=a.end();++i)
if (*i==x) {
a.erase(i);
return;
}
}
int main() {
a.push_back(1);
srand(time(0));
int n=10,m=10;
printf("%d %d\n",n,m);
for (int i=1;i<=n;i++) printf("%d ",rand()%4);
cout<<endl;
int idx=1;
while (m--) {
int opt=rand()%4;
if (a.size()==1&&opt==1) opt=0;
if (opt==0||opt==3) {
int p,x,y;
p=rnd();
x=rand()%n+1,y=rand()%(n-x+1)+1;
if (opt==0) idx++,a.push_back(idx);
printf("%d %d %d %d\n",opt,p,x,y+x-1);
}
else if (opt==1) {
int b=rnd();
del(b);
int a=rnd();
printf("%d %d %d\n",opt,a,b);
}
else if (opt==2) {
int p=rnd();
int x=rand()%10;
int q=rand()%n+1;
printf("%d %d %d %d\n",opt,p,x,q);
}
else if (opt==4) {
int p=rnd();
int k=rand()%10+1;
printf("%d %d %d\n",opt,p,k);
}
}
return 0;
}