Perfect Number

solution.py

def solve(number):
    sum = 0
    middle = int(number/2) + 1
    for i in range(1,middle):
        if number%i == 0:
            sum += i
        
    if sum == number:
        return sum

if __name__ == "__main__":
    rangeTo = int(input())
    perfect = []
    for i in range(rangeTo + 1):
        number = solve(i)
        if number:
            perfect.append(number)

    print(perfect)

#include <iostream>
using namespace std;

bool perfect(long long int number)
{
    long divisors = 1;
    for (long long int i = 2; i <= number / 2; i++)
    {
        if (number % i == 0)
        {
            divisors = divisors + i;
        }
    }

    if (number == divisors)
    {
        return true;
    }
    return false;
}

int main()
{
    int number;
    cin >> number;
    for (int num = 2; num < number; num++)
    {
        if (perfect(num))
        {
            cout << num << endl;
        }
    }
}

10000
6
28
496
8128

real 0m2.832s
user 0m0.297s
sys 0m0.018s

See difference lol.

I know right.

Any other thing? Before Michael roasts me alive.

So we just had to start looping from the second variable lol.

Lmaoooooooooo. Dazzal, you & michael. Let me be your students. Later brov

It has an issue with 0 because of the long long int type.

Oh