Geeksforgeeks Solution For " Perfect Number "

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What Is Perfect Number ?

Perfect Number Is a Positive Integer ( Greater Than Zero ) .When We Divide Then Its Divisors Sum is Equal to Number 
The Smallest perfect Number Is 6 
Like :- 6 Is a Smallest Number And Divisors is 1 ,2 ,3 The sum of its Divisors Is 1 + 2 +3 =6 .

Other Perfect Numbers Are 28 ,496 ,8128 ,33550336

For More Information Of Perfect Number Wikipedia

Problem :- Check if  a given number is perfect or not. A number is perfect if  sum of factorial of its digit is equal to the given number. For example 145 is a Perfect Number because 1! + 4! + 5! = 145

Input:

The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. The next T lines will contain an integer N.

Output:
Corresponding to each test case, in a new line, print "Perfect " if it follow above condition else print "Not Perfect"  without quotes.

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Solution :-

#include <iostream>
using namespace std;
int fact1(int res);
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,n1,i,res,fact=1,sum=0,tmp;
        cin>>n;
        n1=n;
        while(n!=0)
        {
            res=n%10;
            tmp=fact1(res);
            sum+=tmp;
            n/=10;
        }
        if(n1==sum)
        cout<<"Perfect\n";
        else
        cout<<"Not Perfect\n";

    }
    return 0;
}
int fact1(int res)
{
    int i,fact=1;
    for(i=1;i<=res;i++)
            {
                fact=fact*i;
                
            }
            return fact;
}

Output:-