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- #include <iostream>
- #define ll long long int
- using namespace std;
- bool parfait(int n){
- int s=0;
- for(int i=1;i<n;i++) if(n%i==0) s+=i;
- if(n==s) return true;
- return false;
- }
- int main(){
- int n;
- cin >> n;
- if(parfait(n)) cout << n << " est parfait";
- else cout << n << " n'est pas parfait";
- return 0;
- }
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