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- // Tinh so hoan thien dau tien trong mang so nguyen
- // Khai bao cac ham thu vien neu co
- #include<stdio.h>
- #include<conio.h>
- #define SIZE 100
- void nhap(int a[],int &n)
- {
- scanf("%d",&n);
- for(int i=0;i<n;i++)
- {
- scanf("%d",&a[i]);
- }
- }
- int hoanthien(int x)
- {
- int m=x;
- int s=0;
- for(int i=1;i<x;i++)
- {
- if(x%i==0)
- s=s+i;
- }
- if(s==m)
- return 1;
- return 0;
- }
- int timHH(int a[],int n)
- {
- for(int i=0;i<n;i++)
- {
- if(hoanthien(a[i])==1)
- return a[i];
- }
- return -1;
- }
- void main()
- {
- int a[SIZE],n;
- nhap(a,n);
- printf("%d",timHH(a,n));
- }
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