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  1.  
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. int main(void)
  6. {
  7.     int **matrix;
  8.     int i, j, n, m;
  9.  
  10.     scanf("%d %d", &n, &m);
  11.  
  12.     matrix = (int **)malloc(sizeof(int *) * n);
  13.  
  14.     for (i = 0; i < n; i++) {
  15.         matrix[i] = (int *)malloc(sizeof(int) * m);
  16.     }
  17.  
  18.     for (i = 0; i < n; i++) {
  19.         for (j = 0; j < m; j++) {
  20.             matrix[i][j] = i * m + j + 1;
  21.             printf("%d\t", matrix[i][j]);
  22.         }
  23.         printf("\n");
  24.     }
  25.  
  26.     for (i = 0; i < n; i++) {
  27.         free(matrix[i]);
  28.     }
  29.  
  30.     free(matrix);
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5348KB
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stdout
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5	6	7	8	
9	10	11	12
https://ideone.com/0E8hlL
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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