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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. int main(){
  6.     int i,j,k;
  7.     int a,b;
  8.     int **mat;
  9.     scanf("%d %d",&a,&b);
  10. mat = (int**)malloc(sizeof(int*) * a);
  11. if (mat == NULL) {
  12.     printf("ERROR\n");
  13.     return 0;
  14. }
  15. for (i = 0; i < a; i++) {
  16.     mat[i] = (int*)malloc(sizeof(int) * b);
  17.     if (mat[i] == NULL) {
  18.         printf("ERROR\n");
  19.         return 0;
  20.     }
  21. }
  22.     int v=1;
  23.     for(i=0;i<a;i++){
  24.     	  for(j=0;j<b;j++){
  25.     	  	mat[i][j]=v++;
  26.     	  }
  27.     }
  28.  
  29.  
  30.  
  31.     for(i=0;i<a;i++){
  32.         for(j=0;j<b;j++){
  33.             printf("%d ",mat[i][j]);
  34.         }
  35.         printf("\n");
  36.     }
  37.  free(mat);
  38.  
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/RUXQE3
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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