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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.  
  16.     k = 1;
  17.     for(i = 0; i < a; i++){
  18.         for(j = 0; j < b; j++){
  19.             mat[i][j] = k;
  20.             k++;
  21.         }
  22.     }
  23.  
  24.  
  25.     for(i = 0; i < a; i++){
  26.         for(j = 0; j < b; j++){
  27.             printf("%d ", mat[i][j]);
  28.         }
  29.         printf("\n");
  30.     }
  31.  
  32.  
  33.     for(i = 0; i < a; i++){
  34.         free(mat[i]);
  35.     }
  36.     free(mat);
  37.  
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 5348KB
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https://ideone.com/UiI9h8
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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