Submission #384195

#	Time	Username	Problem	Language	Result	Execution time	Memory
384195		ritul_kr_singh	Red-blue table (IZhO19_stones)	C++17	11 / 100	34 ms	1388 KiB

stones

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << ' ' << 
#define nl << '\n'

signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int T; cin >> T;
    while(T--){
    	int n, m; cin >> n >> m;
    	if(n==1){
    		cout << m nl;
    		while(m--) cout << '-';
    		cout nl;
    	}else if(m==1){
    		cout << n nl;
    		while(n--) cout << '+' nl;
    	}else{
	    	cout << n + m - 2 nl;
	    	for(int i=0; i<n; ++i){
	    		for(int j=0; j<m; ++j){
	    			if(i and j) cout << ((i+j) % 2 ? '+' : '-');
	    			else cout << (i ? '+' : '-');
	    		}
	    		cout nl;
	    	}
	    }
    }
}

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