Submission #1047975

#	Time	Username	Problem	Language	Result	Execution time	Memory
1047975		TAhmed33	Red-blue table (IZhO19_stones)	C++98	0 / 100	1 ms	604 KiB

stones

#include <bits/stdc++.h>
using namespace std;
void solve () {
	int n, m; cin >> n >> m;
	if (n > m) {
		cout << n + (m + 1) / 2 << '\n';
		assert(n + (m + 1) / 2 == 108);
		for (int i = 1; i <= n; i++) {
			for (int j = 1; j <= m; j++) {
				cout << (j & 1 ? "+" : "-");
			}
			cout << '\n';
		}
	} else {
		cout << m + (n + 1) / 2 << '\n';
		assert(m + (n + 1) / 2 == 108);
		for (int i = 1; i <= n; i++) {
			for (int j = 1; j <= m; j++) {
				cout << (i & 1 ? "-" : "+");
			}
			cout << '\n';
		}
	}
}		
signed main () {
	ios::sync_with_stdio(0); cin.tie(0);
	int tc = 1; cin >> tc;
	while (tc--) solve();
}

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