Submission #1309658

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Source Code Expand

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

Submission Info

Judge Result