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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main() {
  5.     int a, b;
  6.  
  7.     if (scanf("%d %d", &a, &b) != 2) {
  8.         return 1;
  9.     }
  10.  
  11.     int **mat = (int **)malloc(sizeof(int *) * a);
  12.     for (int i = 0; i < a; i++) {
  13.         mat[i] = (int *)malloc(sizeof(int) * b);
  14.    }
  15.     int count = 1;
  16.     for (int i = 0; i < a; i++) {
  17.         for (int j = 0; j < b; j++) {
  18.             mat[i][j] = count++;
  19.         }
  20.     }
  21.  
  22.     for (int i = 0; i < a; i++) {
  23.         for (int j = 0; j < b; j++) {
  24.             printf("%d", mat[i][j]);
  25.             if (j < b - 1) {
  26.                 printf(" ");
  27.             }
  28.         }
  29.         printf("\n");
  30.     }
  31.  
  32.     for (int i = 0; i < a; i++) {
  33.         free(mat[i]);
  34.     }
  35.     free(mat);
  36.  
  37.     return 0;
  38. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/k0u6Nj
language:
C (gcc 8.3)
created:
15 hours ago
visibility:
public

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