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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE = 50;
  5.  
  6. int main() {
  7.     int line, col, mt[MAX_SIZE + 1][MAX_SIZE + 1];
  8.     cin >> line >> col;
  9.  
  10.     // Citirea matricei
  11.     for (int i = 1; i <= line; ++i) {
  12.         for (int j = 1; j <= col; ++j) {
  13.             cin >> mt[i][j];
  14.         }
  15.     }
  16.  
  17.     bool found = false; // Variabila pentru a verifica daca s-a gasit ceva
  18.     for (int i = 1; i <= (line + col - 2) / 2; ++i) {
  19.         int safePlace = 0;
  20.  
  21.         // Parcurgerea marginii superioare
  22.         for (int j = i; j <= col - i + 1; ++j) {
  23.             if (safePlace < mt[i][j]) {
  24.                 safePlace = mt[i][j];
  25.                 found = true;
  26.                 cout << mt[i][j] << " ";
  27.             }
  28.         }
  29.  
  30.         // Parcurgerea marginii drepte
  31.         for (int j = i + 1; j <= line - i; ++j) {
  32.             if (safePlace < mt[j][col - i + 1]) {
  33.                 safePlace = mt[j][col - i + 1];
  34.                 found = true;
  35.                 cout << mt[j][col - i + 1] << " ";
  36.             }
  37.         }
  38.  
  39.         // Parcurgerea marginii inferioare
  40.         for (int j = col - i + 1; j >= i; --j) {
  41.             if (safePlace < mt[line - i + 1][j]) {
  42.                 safePlace = mt[line - i + 1][j];
  43.                 found = true;
  44.                 cout << mt[line - i + 1][j] << " ";
  45.             }
  46.         }
  47.  
  48.         // Parcurgerea marginii stângi
  49.         for (int j = line - i; j > i; --j) {
  50.             if (safePlace < mt[j][i]) {
  51.                 safePlace = mt[j][i];
  52.                 found = true;
  53.                 cout << mt[j][i] << " ";
  54.             }
  55.         }
  56.     }
  57.  
  58.     // Afișarea rezultatului
  59.     if (found) {
  60.         cout << "DA";
  61.     } else {
  62.         cout << "NU";
  63.     }
  64.  
  65.     return 0;
  66. }
  67.  
Success #stdin #stdout 0s 5296KB
comments (?)
stdin
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4 4
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
stdout
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1 2 3 4 8 12 16 6 7 11 DA
https://ideone.com/3ZWktz
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 days ago
visibility:
public

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