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  1. #include <stdio.h>
  2. #include <stdlib.h> 
  3.  
  4. int main(){
  5.     int i, j, k;
  6.     int a, b;
  7.     int **mat; 
  8.     scanf("%d %d", &a, &b);
  9.  
  10.   mat = (int **)malloc(sizeof(int *) * a); 
  11.  
  12.     for(i = 0; i < a; i++){
  13.  
  14.         mat[i] = (int *)malloc(sizeof(int) * b);
  15.     }
  16.  
  17.     int count = 1;
  18.     for(i = 0; i < a; i++){
  19.         for(j = 0; j < b; j++){
  20.             mat[i][j] = count++; 
  21.         }
  22.     }
  23.  
  24.     for(i = 0; i < a; i++){
  25.         for(j = 0; j < b; j++){
  26.             printf("%d ", mat[i][j]);
  27.         }
  28.         printf("\n");
  29.     }
  30.  
  31.      for(i = 0; i < a; i++){
  32.         free(mat[i]);
  33.     }
  34.     free(mat); 
  35.  
  36.     return 0;
  37. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/uFC43w
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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