Help me in solving AOCC19 problem

help
,
1

My issue

My code

// Update the code below to solve the problem

#include <bits/stdc++.h>
using namespace std;

int main() 
{
	int t;
    cin >> t;
	
	while(t--)
	{
	    int N, A, B;
	    cin >> N >>A >> B;
	    
	    
	}
}

Learning course: Solve Programming problems using C++
Problem Link: CodeChef: Practical coding for everyone