Codeforces-SolutionsA/Codes/1791 B - Following Directions/1791B.cpp
2023-12-31 14:54:40 +06:00

35 lines
581 B
C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
void solve()
{
int n,x=0,y=0;
cin>>n;
string s;
cin>>s;
for(int i=0;i<s.size(); ++i)
{
if(s[i]=='U') y++;
else if(s[i]=='D') y--;
else if (s[i]=='R') x++;
else if(s[i]=='L') x--;
if(x==1 && y==1)
{
cout<<"YES"<<endl;
return;
}
}
cout<<"NO"<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int TC = 1;
cin >> TC;
cin.ignore();
while (TC--) solve();
}