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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int i,j,k=1;  int a,b;
  6.     int **mat;
  7.     scanf("%d %d",&a,&b); 
  8. 	mat = (int**)malloc(sizeof(int*)*a);
  9.  	if(mat == NULL){ printf("ERROR\n"); return 0;  }
  10. 	for (i = 0; i < a; i++) {
  11. 		mat[i] = (int*)malloc(sizeof(int)*b);
  12.  		if(mat[i] == NULL){ printf("ERROR\n");  return 0;  }
  13. 	}
  14. 	for (i = 0; i < a; i++) {
  15. 		for (j = 0; j < b; j++) {
  16. 			mat[i][j] = k++;
  17. 		}
  18. 	}
  19. 	for(i=0;i<a;i++){
  20.         for(j=0;j<b;j++){
  21.             printf("%d ",mat[i][j]);
  22.         }
  23.         printf("\n");
  24.     }
  25. 	for(i=0;i<a;i++){
  26. 		free(mat[i]);
  27. 	}
  28. 	free(mat);
  29.     return 0;
  30. }
  31.  
  32.  
Success #stdin #stdout 0s 5292KB
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https://ideone.com/azk29p
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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