1812G - Colour Vision - CodeForces Solution

#ifndef ONLINE_JUDGE
#define DEBUG true
#endif
#ifndef DEBUG
#define DEBUG false
#endif

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

#define pb push_back
#define mp make_pair
#define F first
#define S second
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pi;
typedef deque<int> di;
typedef deque<pi> dpi;
typedef deque<bool> db;
typedef vector<ll> vi;
typedef vector<pi> vpi;
typedef vector<bool> vb;

#define NO cout << "NO" << endl
#define YES cout << "YES" << endl
#define No cout << "No" << endl
#define Yes cout << "Yes" << endl
#define endl '\n'
const ll INF = 1e9;
const int MOD = 1e9+7;
const int MAXN = 2e5;

void solve()
{
    int n;
    cin >> n;
    string a,b;
    cin >> a >> b;
    for(int i = 0; i < n; i++){
        if ((a[i] == 'R' && b[i] != 'R') || (a[i] != 'R' && b[i] == 'R')){
            NO;
            return;
        }
    }
    YES;
}

int32_t main()
{
    ios_base::sync_with_stdio(false);
    //cin.tie(NULL);

    int t;
    cin >> t;
    while(t--){
        solve();
    }

    //if (DEBUG) cerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;
}

//To input a whole line without getting seperated by spaces, use getline(cin, string_name)
//Make string to int: stoi(your_String)
//Make int to string: to_string(your_Int)