Codeforces Round #817 (Div. 4) 1722B. Colourblindness Solution

 

Problem  Link : https://codeforces.com/contest/1722/problem/B

Solution in C++:

///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

///**********ALLAH IS ALMIGHTY************///

#include <bits/stdc++.h>

using namespace std;

#define ll long long int

int main()

{

    ios_base::sync_with_stdio(0);

    cin.tie(0);

    ll  n,t,i,j,f;

    cin>>t;

    while(t--)

    {

       string a,b;

       bool flag=true;

       cin>>n>>a>>b;

       for(i=0;i<n;i++)

       {

           if(a[i]==b[i]||((a[i]=='B'||a[i]=='G'))&&(b[i]=='B'||b[i]=='G'))

            flag=true;

           else

           {

               flag=false;

               break;

           }

       }

       if(flag==true)

    cout<<"Yes"<<endl;

    else

        cout<<"No"<<endl;

    }

}