Submission #1227338

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227338		islam_2010	Red-blue table (IZhO19_stones)	C++20	0 / 100	25 ms	1352 KiB

stones

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int sz = 1e5 + 5;



signed main() {
    ios::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-1)/2 << endl;
            for(int i = 0; i < n; i++){
                for(int j = 0; j < m; j++){
                    if(j<=(m+1)/2){
                        cout << '+';
                    }else {
                        cout << '-';
                    }
                }cout << endl;
            }
        }else {
            cout << m+(n-1)/2 << endl;
            for(int i = 0; i < n; i++){
                for(int j = 0; j < m; j++){
                    if(i<=(n+1)/2){
                        cout << '-';
                    }else {
                        cout << '+';
                    }
                }cout << endl;
            }
        }
    }
    
    return 0;
}

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