Skip to content
Open
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 25 additions & 0 deletions Perfectnumber.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
// Cpp Program to check if a number is perfect number
/*a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3 (excluding itself), and 1 + 2 + 3 = 6, so 6 is a perfect number.*/
#include<iostream>
using namespace std;
int Check_perfect(int n)
{
int i,sum=0;
for(i=1;i<n;i++)
{
if(n%i==0)
sum+=i;
}
if(sum==n)return 1;
return 0;
}
int main()
{
int n;
cout<<"Enter any number:";
cin>>n;
if(Check_perfect(n))
cout<<"It is a perfect number";
else
cout<<"It is not a perfect number";
}