제출 #498872

#제출 시각아이디문제언어결과실행 시간메모리
498872yahyobekabdunazarovRed-blue table (IZhO19_stones)C++17
0 / 100
23 ms1268 KiB
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
void solve(){
    int n, m;
    cin >> n >> m;
    cout << n+floor(n/2) << "\n";
    for(int i=0; i<n; i++){
       for(int j=0; j<m; j++){
           if(j>ceil(m/2)){
               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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