제출 #1309845

#제출 시각아이디문제언어결과실행 시간메모리
1309845bethanceChessboard (IZhO18_chessboard)C++20
0 / 100
1 ms572 KiB
#include<bits/stdc++.h>
using namespace std;
int main() {
	int N, K;
	cin >> N >> K;
	if(K == 0) {
		if (N % 2 == 0) {
			cout << (N * N) / 2 << endl;;
		}else {
			cout << (N * N - 1) / 2 << endl;
		}
	}
}
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