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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.  
  11. 	mat=(int**)malloc(sizeof(int*)*a);
  12. 	if(mat==NULL){
  13. 		printf("ERROR\n");
  14. 		return 0;
  15. 	}
  16. 	for(k=0;i<a;i++){
  17. 		mat[i]=(int*)malloc(sizeof(int)*b);
  18.  
  19. 	if(mat[i]==NULL){
  20. 		printf("ERROR\n");
  21. 		return 0;
  22. 	}
  23. 	}
  24.     k=1;
  25.  
  26.     for(i=0;i<a;i++){
  27.         for(j=0;j<b;j++){
  28.            mat[i][j]=k++;
  29.         }
  30.     }
  31.  
  32.  
  33.  
  34.     for(i=0;i<a;i++){
  35.         for(j=0;j<b;j++){
  36.             printf("%d ",mat[i][j]);
  37.         }
  38.         printf("\n");
  39.     }
  40.     for(k=0;i<a;i++){
  41.     	free(mat[i]);
  42.     }
  43.    free(mat);
  44.  
  45.  
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/Nq7Z8y
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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