Submission #2234804

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Source Code Expand

#include <iostream>
#include <string>
#include <cmath>

int main() {
	std::string updown;
	std::cin >> updown;
	int u=0, d=0;
	int sum = 0;
	for (int i = 0; i < updown.size(); i++) {
		if (updown[i] == 'U') {
			sum += i * 2;
			sum += updown.size() - i - 1;
			u++;
		}
		else {
			sum += i;
			sum += (updown.size() - i - 1) * 2;
			d++;
		}
	}
	std::cout << sum<< std::endl;
}

Submission Info

Judge Result