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

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