Submission #378501

#	Time	Username	Problem	Language	Result	Execution time	Memory
378501		syl123456	Chessboard (IZhO18_chessboard)	C++17	0 / 100	1 ms	364 KiB

chessboard

#include <bits/stdc++.h>
#define all(i) i.begin(), i.end()
#define rall(i) i.rbegin(), i.rend()
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, k;
    cin >> n >> k;
    cout << n * n / 2;
}

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