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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int i,j,k;
  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.         printf("\n");
  20.     }
  21.  
  22.     for(i=0;i<a;i++){
  23.         for(j=0;j<b;j++){
  24.             printf("%d ",mat[i][j]);
  25.         }
  26.         printf("\n");
  27.     }
  28.  
  29.     free(mat);
  30.  
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5272KB
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https://ideone.com/i7C15r
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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