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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     // Exemplu de matrice
  8.     vector<vector<int>> mt = {
  9.         {1, 2, 3, 4},
  10.         {5, 6, 7, 8},
  11.         {9, 10, 11, 12},
  12.         {13, 14, 15, 16}
  13.     };
  14.  
  15.     int startRow = 2; // Linia de start a submatricei
  16.     int startCol = 2; // Coloana de start a submatricei
  17.     int size = 2;     // Dimensiunea submatricei pătratice
  18.  
  19.  
  20.     // Creăm o matrice temporară pentru a stoca submatricea rotită
  21.     vector<vector<int>> temp(size, vector<int>(size));
  22.  
  23.     // Rotim submatricea
  24.     for (int i = 0; i < size; i++) {
  25.         for (int j = 0; j < size; j++) {
  26.             temp[size - j - 1][i] = mt[startRow + i][startCol + j];
  27.         }
  28.     }
  29.  
  30.     // Copiem submatricea rotită în matricea originală
  31.     for (int i = 0; i < size; i++) {
  32.         for (int j = 0; j < size; j++) {
  33.             mt[startRow + i][startCol + j] = temp[i][j];
  34.         }
  35.     }
  36.  
  37.     cout << "Matricea dupa rotirea submatricei:\n";
  38.     for (const auto& row : mt) {
  39.         for (int val : row) {
  40.             cout << val << ' ';
  41.         }
  42.         cout << endl;
  43.     }
  44.  
  45.     return 0;
  46. }
  47.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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Matricea dupa rotirea submatricei:
1 2 3 4 
5 6 7 8 
9 10 12 16 
13 14 11 15
https://ideone.com/4gxkxb
language:
C++ 4.3.2 (gcc-4.3.2)
created:
3 days ago
visibility:
public

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