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Vla_DOS

matrix 1.1

Mar 28th, 2023 (edited)
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C++ 0.75 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, m;
  6.     cin >> n >> m;
  7.     int matrix[n][m];
  8.  
  9.     for (int i = 0; i < n; i++) {
  10.         for (int j = 0; j < m; j++) {
  11.             matrix[i][j] = rand() % 100;
  12.         }
  13.     }
  14.     for (int i = 0; i < n; i++) {
  15.         for (int j = 0; j < m; j++) {
  16.             cout << matrix[i][j] << " ";
  17.         }
  18.         cout << endl;
  19.     }
  20.     int i, j;
  21.     cin >> i >> j;
  22.  
  23.     for (int k = 0; k < n; k++) {
  24.         int temp = matrix[k][i];
  25.         matrix[k][i] = matrix[k][j];
  26.         matrix[k][j] = temp;
  27.     }
  28.  
  29.     for (int i = 0; i < n; i++) {
  30.         for (int j = 0; j < m; j++) {
  31.             cout << matrix[i][j] << " ";
  32.         }
  33.         cout << endl;
  34.     }
  35.  
  36.     return 0;
  37. }
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