Submission #289647

#	Time	Username	Problem	Language	Result	Execution time	Memory
289647		Leonardo_Paes	Chessboard (IZhO18_chessboard)	C++17	8 / 100	1 ms	256 KiB

chessboard

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
    ll n, k;
    cin >> n >> k;
    if(k == 0){
        ll ans = n*n/2;
        for(ll i=2; i<=n; i++) if(n%i == 0) ans = min(ans, (i*i/2)*(n/i)*(n/i));
        cout << ans << "\n";
        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