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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int n, i;
  6.     int *a;
  7.     scanf("%d",&n); //inputに4をいれている
  8.     a = (int*)malloc(sizeof(4*n));
  9.     if(a == NULL){
  10.         printf("ERROR\n");
  11.         return 0;
  12.     }
  13.     for(i=0;i<n;i++){
  14.         a[i] = i + 1;
  15.         printf("%d ",a[i]);
  16.     }
  17.     //for(i=0;i<n;i++){
  18.        // printf("%d ",a[i]);
  19.     //}
  20.     printf("\n");
  21.     free(a);
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5248KB
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https://ideone.com/xU1eZ9
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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