제출 #498595

#제출 시각아이디문제언어결과실행 시간메모리
498595yahyobekabdunazarovRed-blue table (IZhO19_stones)C++17
0 / 100
28 ms1316 KiB
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
void solve(){
    int n, m;
    cin >> n >> m;
    cout << ceil((double)n/2)+ceil((double)m/2) << "\n";
    for(int i=0; i<n; i++){
        for(int j=0; j<m; j++){
            if(i>n/2||((j==m-1||j==0)&&i!=n-1)){
                cout << "+";
            }
            else{
                cout << "-";
            }
        }
        cout << "\n";
    }
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t--){
        solve();
    }
    return 0;
}
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