35 lines
581 B
C++
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();
|
||
|
|
}
|