Codeforces-SolutionsA/1742C Stripes/1742C.cpp

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2023-06-18 03:52:30 +08:00
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void solve()
{
bool red=false;
for(int i=0; i<8; ++i)
{
string s;
cin>>s;
if(s=="RRRRRRRR") red=true;
}
if(red) cout<<"R"<<endl;
else cout<<"B"<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int TC = 1;
cin >> TC;
cin.ignore();
while (TC--)
solve();
}