Submission #1310215

---

Source Code Expand

// {{{ Boilerplate Code <--------------------------------------------------
// vim:filetype=cpp:foldmethod=marker:foldmarker={{{,}}}

#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <utility>
#include <vector>

#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
#define ALL(A)     (A).begin(), (A).end()

using namespace std;

// }}}

int main(){
	string S;
	cin>>S;

	long long ret=0;
	long long N=S.length();

	for(long long i=0; i<S.length(); ++i){
		if(S[i]=='U'){
			ret += N-1+i;
		}else{
			ret += N-1+(N-1-i);
		}
	}

	cout<<ret<<endl;

}

Submission Info

Judge Result