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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5.  
  6. int main(){
  7.     int i,j,k;
  8.     k=1;
  9.     int a,b;
  10.     int **mat;
  11.     scanf("%d %d",&a,&b);
  12.  
  13. 	mat = (int **)malloc(sizeof(int*)*a);
  14.  
  15. 	for(i=0;i<a;i++)
  16. 	{
  17. 		mat[i]= (int *)malloc(sizeof(int)*b);
  18. 	}
  19.  
  20.     for(i=0;i<a;i++){
  21.         for(j=0;j<b;j++){
  22.             mat[i][j]=k;
  23.             k=k+1;
  24.         }
  25.     }
  26.  
  27.     for(i=0;i<a;i++){
  28.         for(j=0;j<b;j++){
  29.             printf("%d ",mat[i][j]);
  30.         }
  31.         printf("\n");
  32.     }
  33.  
  34.  
  35.     for(i=0;i<a;i++){
  36.     	free(mat[i]);
  37.     }
  38. 	free(mat);
  39.  
  40.  
  41.     return 0;
  42. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
3 4
stdout 
1 2 3 4 
5 6 7 8 
9 10 11 12
https://ideone.com/Ga683J
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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