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Sep 14th, 2025
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  1. int **arr = (int**) malloc(rows);
  2.  
  3. for(size_t i = 0; i < cols; ++i) {
  4.     arr[i] = (int*) malloc(cols);
  5. }
  6.  
  7. for(size_t i = 0; i < rows; ++i) {
  8.     for(size_t j = 0; j < cols; ++j) {
  9.         arr[j] = num; // (1)
  10.     }
  11. }
  12.  
  13. for(size_t i = 0; i < rows; ++i) {
  14.     free(arr[i]);
  15. }
  16.  
  17. free(arr);
  18.  
  19. // строка (1) эквивалентна: *(*(arr + rows) + cols) = num
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