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  1.  
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. int main(){
  6.     int n, i;
  7.     int *a;
  8.     scanf("%d",&n); //inputに4をいれている
  9.     a = (int *)malloc(sizeof(int)*n);
  10.     if(a == NULL){
  11.         printf("ERROR\n");
  12.         return 0;
  13.     }
  14.     for(i=0;i<n;i++){
  15.         a[i] = i + 1;
  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 5288KB
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stdin
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4
stdout
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1 2 3 4
https://ideone.com/hEuz4n
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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