Submission #844040

#	Time	Username	Problem	Language	Result	Execution time	Memory
844040		Darren0724	Chessboard (IZhO18_chessboard)	C++17	8 / 100	1 ms	600 KiB

chessboard

#include <bits/stdc++.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,k;cin>>n>>k;
    int ans=n*n;
    for(int i=1;i<n;i++){
        if(n%i==0){
            int p=n/i;
            if(p&1){
                ans=min(ans,(p*p-1)/2*i*i);
            }
            else{
                ans=min(ans,n*n/2);
            }
        }
    }
    cout<<ans<<endl;
    
    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30