Submission #1766567

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Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <string.h>
#include <stdio.h>
#include <cmath>
#include <math.h>
#include <sstream>
#include <iomanip>
#include <time.h>
#include <fstream>

using namespace std;


int main(){
	string s;
	cin>>s;
	int n = s.size();
	long long ans = 0;
	for(int i = 0; i < n; i++){
		if (s[i] == 'U'){
			ans += n-1-i;
			ans += i*2;
		}
		if (s[i] == 'D'){
			ans += (n-1-i)*2;
			ans += i;
		}
	}
	cout<<ans<<endl;
	return 0;
}

Submission Info

Judge Result