제출 #930659

#제출 시각아이디문제언어결과실행 시간메모리
930659SuPythonyRed-blue table (IZhO19_stones)C++17
0 / 100
21 ms1356 KiB
#include <bits/stdc++.h>
using namespace std;

int main() {
	int t; cin>>t;
	while (t--) {
		int n,m; cin>>n>>m;
		if (n==m) {
			if (n%2) cout<<n/2+n<<"\n";
			else cout<<n/2+n-1<<"\n";
			for (int i=0; i<n; i++) {
				for (int j=0; j<m; j++) {
					if (i<=n/2) cout<<"-";
					else cout<<"+";
				}
				cout<<"\n";
			}
		}
	}
	return 0;
}
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