Submission #972183

#	Time	Username	Problem	Language	Result	Execution time	Memory
972183		colossal_pepe	Red-blue table (IZhO19_stones)	C++17	27 / 100	17 ms	1624 KiB

stones

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

int t, n, m;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> t;
	while (t--) {
		cin >> n >> m;
		if (n + (m - 1) / 2  >= m + (n - 1) / 2) {
			cout << n + (m - 1) / 2 << '\n';
			for (int i = 0; i < n; i++) {
				for (int j = 0; j < m; j++) {
					if (j < (m - 1) / 2) cout << '-';
					else cout << '+';
				}
				cout << '\n';
			}
		} else {
			cout << m + (n - 1) / 2 << '\n';
			for (int i = 0; i < n; i++) {
				for (int j = 0; j < m; j++) {
					if (i < (n - 1) / 2) cout << '+';
					else cout << '-';
				}
				cout << '\n';
			}
		}

	}
	return 0;
}

• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31