제출 #844038

#제출 시각아이디문제언어결과실행 시간메모리
844038Darren0724Chessboard (IZhO18_chessboard)C++17
0 / 100
1 ms504 KiB
#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=0;
    for(int i=1;i<n;i++){
        if(n%i==0){
            int p=n/i;
            if(p&1){
                ans=max(ans,(p*p+1)/2*i*i);
            }
            else{
                ans=max(ans,n*n/2);
            }
        }
    }
    cout<<ans<<endl;
    
    return 0;
}
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