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  1. #include<iostream>
  2. #include<math.h>
  3. #include<iomanip>
  4. #include <string>
  5. #include<algorithm>
  6.  
  7.  
  8. using namespace std;
  9.  
  10. void fast()
  11. {
  12.     ios_base::sync_with_stdio(0);
  13.     cin.tie(0);
  14.     cout.tie(0);
  15. }
  16. int main()
  17. {
  18.     fast();
  19.  
  20.     int N, M;
  21.     cin >> N >> M;
  22.     char A[105][105];
  23.  
  24.     for (int i = 0;i < N;i++) {
  25.         for (int j = 0;j < M;j++) {
  26.             cin >> A[i][j];
  27.         }
  28.     }
  29.  
  30.     int x, y;
  31.     cin >> x >> y;
  32.  
  33.     char B[105];
  34.  
  35.     B[0] = A[x - 1][y - 1];
  36.     B[1] = A[x][y - 1];
  37.     B[2] = A[x + 1][y - 1];
  38.     B[3] = A[x + 1][y];
  39.     B[4] = A[x - 1][y];
  40.     B[5] = A[x - 1][y + 1];
  41.     B[6] = A[x][y + 1];
  42.     B[7] = A[x + 1][y + 1];
  43.  
  44.     for (int i = 0;i <= 7;i++) {
  45.         if (B[i] != '.') {
  46.  
  47.         }
  48.         else {
  49.             cout << "no";
  50.                 return 0;
  51.         }
  52.  
  53.     }
  54.     cout << "yes";
  55.  
  56.     return 0;
  57. }
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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yes
https://ideone.com/mJH7GS
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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