Submission #505517

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
505517	2022-01-11T05:33:38 Z	Mazaalai	Chessboard (IZhO18_chessboard)	C++17	8 / 100	1 ms	292 KB

chessboard

#include <bits/stdc++.h>
using namespace std;
int n;
signed main() {
	cin >> n;
	// n = 6;
	int x = 1, ans = n * n / 2;
	for (int i = 2; i * i <= n; i++) {
		if (n % i == 0) {
			int j = n / i;
			ans = min(ans, j * j / 2 * i * i);
			swap(i, j);
			ans = min(ans, j * j / 2 * i * i);
			swap(i, j);
		}
	}
	cout << ans << '\n';
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:7:6: warning: unused variable 'x' [-Wunused-variable]
    7 |  int x = 1, ans = n * n / 2;
      |      ^

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	292 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct

Subtask #2

0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	204 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	204 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	204 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	204 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	292 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Incorrect	0 ms	204 KB	Output isn't correct
10	Halted	0 ms	0 KB	-