*```cpp 代码：#include<bits/stdc++.h> using namespace std; int main() { int b=1,a,c; cin>>a; for(b;b<=a;b++){ b=b+1; c+=b; } b=1; cout<<2(a+c)<<endl; for(b;b<=a;b++){ b=pow(b+1,2); c+=b; } cout<<c<<endl; return 0; }

**