Geeksforgeeks Solution For " Divisible Numbers "

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Problem :- Divisible Numbers 

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Solution :- 

#include <iostream>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
       int a,b,i,c;
       cin>>a>>b;
       c=a%b;
       b-=c;
       a+=b;
       cout<<a<<endl;

    }
    return 0;
}

Output:-