Geeksforgeeks Solution For " Common Divisors "

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Problem :- Given two integer numbers, the task is to find count of all common divisors of given numbers?
Input : a = 12, b = 24
Output: 6
// all common divisors are 1, 2, 3, 
// 4, 6 and 12

Input : a = 3, b = 17
Output: 1
// all common divisors are 1

Input : a = 20, b = 36
Output: 3
// all common divisors are 1, 2, 4

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Solution :-

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,i,k,j,res=0;
        cin>>n>>k;
        for(i=1,j=1;i<=n/2||i<=k/2;i++,j++)
        {
        if(n%i==0 && k%j==0)
        res++;
}

    cout<<res<<endl;
    }
    return 0;
}

Output :-