Submission #378527

#	Time	Username	Problem	Language	Result	Execution time	Memory
378527		LittleCube	Chessboard (IZhO18_chessboard)	C++14	0 / 100	1 ms	492 KiB

chessboard

#include <bits/stdc++.h>
using namespace std;

/*************************************
 * 
 *  Subtask 1 : 8 points
 * 
 */

signed main()
{
    int n, k;
    cin >> n >> k;
    if (n == (n & -n))
        cout << (n * n) / 2 << '\n';
    else
        cout << (n * n - (n & -n) * (n & -n)) / 2 << '\n';
}

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