Submission #3235816

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Source Code Expand

#include <iostream>
#include <string>
using namespace std;
int main(void){
    long long c;
    string s;
    cin>>s;
    c=s.length()*(s.length()-1);
    for(int i=1;i<=s.length();i++){
        if(s[i-1]=='U'){
            c+=i-1;
        }else{
            c+=s.length()-i;
        }
    }
    cout<<c<<endl;
}

Submission Info

Judge Result