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Submission #498907

# Submission time Handle Problem Language Result Execution time Memory
498907 2021-12-26T14:40:05 Z yahyobekabdunazarov Red-blue table (IZhO19_stones) C++17
0 / 100
 26 ms 1304 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
void solve(){
    int n, m;
    cin >> n >> m;
    if(n==1){
        cout << m << endl;
        
        for(int j=0; j<m; j++){
            cout << "-";
        }
            
    }
    else if(m==1){
        cout << n << endl;
        for(int i=0; i<n; i++){
            cout << "+\n";
        }  
    }
    else if(n<m){
       cout << ceil(m/2)+n+n%2-1 << endl;
       for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                if(j<ceil(m/2)+m%2-1){
                    cout << "-";
                }
                else{
                    cout << "+";
                }
            }
            cout << "\n";
        } 
    }
    else if(n>m){ 
       cout << ceil(m/2)+n+n%2-1 << endl;
       for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                if(j<ceil(m/2)+m%2-1){
                    cout << "-";
                }
                else{
                    cout << "+";
                }
            }
            cout << "\n";
        } 
    }
    else{
       cout << n+ceil(n/2)+n%2-1 << endl;
       for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                if(j<ceil(m/2)+m%2-1){
                    cout << "-";
                }
                else{
                    cout << "+";
                }
            }
            cout << "\n";
        } 
    }
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Wrong answer
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Wrong answer in test 3 45: 25 < 46

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Wrong answer
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 1304 KB Wrong answer in test 97 21: 107 < 116
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 1256 KB Wrong answer in test 24 24: 35 < 44
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Wrong answer
2 Halted 0 ms 0 KB -