Submission #1310291

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Source Code Expand

#include<iostream>
#include<string>
using namespace std;
#define int long long
signed main() {
	string s;
	cin >> s;
	int ans = 0;
	for (int i = 0; i < s.size(); i++) {
		if (s[i] == 'U') {
			ans += (s.size() - i - 1);
			ans += 2 * i;
		}
		else {
			ans += i;
			ans += 2 * (s.size() - i - 1);
		}
	}
	cout << ans << endl;
}

Submission Info

Judge Result