oj.uz

Submission #168731

# Submission time Handle Problem Language Result Execution time Memory
168731 2019-12-15T14:55:11 Z RafaelSus Red-blue table (IZhO19_stones) C++14
0 / 100
 28 ms 1372 KB 
#include <bits/stdc++.h>

using namespace std;
const long long mod = 1e9 + 7;

int main(){

  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);

  int t;
  cin >> t;
  while (t-- > 0){
    int n, m;
    cin >> n >> m;
    if (n == 1){
      cout << m << '\n';
      for (int i = 0; i < m; i++){
        cout << "-";
      }
      cout << '\n';
      continue;
    }
    if (n % 2 == 1 && m % 2 && n <= m){
      cout << m + n / 2 << '\n';
      for (int i = 0; i < n; i++){
        for (int j = 0; j < m; j++){
          if (i % 2 == 0){
            cout << "-";
          }else{
            cout << "+";
          }
        }
        cout << '\n';
      }
      cout << '\n';
      continue;
    }
    if (m % 2 == 1 && n % 2 && m <= n){
      cout << n + m / 2 << '\n';
      for (int i = 0; i < n; i++){
        for (int j = 0; j < m; j++){
          if (j % 2 == 0)cout << "+";
          else cout << "-";
        }
        cout << '\n';
      }
      cout << '\n';
      continue;
    }
  }
  return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Wrong answer

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Wrong answer

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Wrong answer

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 1372 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 15 ms 888 KB Wrong answer
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Wrong answer