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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.         printf("ERROR\n");
  11.         return 0;
  12.     }
  13.     for(i=0;i<n;i++){
  14.         a[i] = i + 1;
  15.     }
  16.     for(i=0;i<n;i++){
  17.         printf("%d ",a[i]);
  18.     }
  19.     printf("\n");
  20.     free(a);
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5428KB
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stdin
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4
stdout
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1 2 3 4
https://ideone.com/wS5lj1
language:
C (gcc 8.3)
created:
329 days ago
visibility:
public

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