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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(int)*n);
  9.     if(a==NULL){
  10.     	return 0;
  11.     }
  12.     for(i=0;i<n;i++){
  13.     	a[i]=i+1;
  14.     }
  15.     for(i=0;i<n;i++){
  16.     	printf("%d",a[i]);
  17.     	printf("\n");
  18.     }
  19.     free(a);
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5284KB
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123
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https://ideone.com/3cqFQD
language:
C (gcc 8.3)
created:
93 days ago
visibility:
public

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