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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.     mat = (int **)malloc(sizeof(int *) * a);
  10.     for(i=0; i<a; i++){
  11.         mat[i] = (int *)malloc(sizeof(int) * b);
  12.     }
  13.     k = 1;
  14.     for(i=0; i<a; i++){
  15.         for(j=0; j<b; j++){
  16.             mat[i][j] = k;
  17.             k++;
  18.         }
  19.     }
  20.     for(i=0;i<a;i++){
  21.         for(j=0;j<b;j++){
  22.             printf("%d ",mat[i][j]);
  23.         }
  24.         printf("\n");
  25.     }
  26.     for(i=0; i<a; i++){
  27.         free(mat[i]);
  28.     }
  29.     free(mat);
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0s 5348KB
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stdout
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https://ideone.com/1mQfzj
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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