Submission #11421804

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  string S;
  cin >> S;
  long long N = S.size(), ans = 0;
  for (int i = 0; i < N; ++i)
    if (S[i] == 'U')
      ans += N + i - 1;
    else
      ans += 2 * N - i - 2;
  cout << ans << endl;
}

Submission Info

Judge Result