Submission #333661

#	Time	Username	Problem	Language	Result	Execution time	Memory
333661		kutbilim_one	Red-blue table (IZhO19_stones)	C++14	27 / 100	4 ms	1388 KiB

stones

/** @kutbilimone **/
#include <bits/stdc++.h>

using namespace std;

#define endl '\n'

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	int t;
	cin >> t;
	while(t--){
		int n, m;
		cin >> n >> m;
		
		if(n > m){
			cout << n+(m-m/2-1) << endl;
			string res = string(m/2+1, '+') + string(m-m/2-1, '-');
			for(int i = 0; i < n; i++) cout << res << endl;
		}else{
			string res1(m, '+'), res2(m, '-');
			int i;
			cout << m+(n-n/2-1) << endl;
			for(i = 0; i < n/2+1; i++)
				cout << res2 << endl;
			for(; i < n; i++) cout << res1 << endl; 
		}
	}

	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