Submission #1311251

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Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class Program
{
    static void Main(string[] args)
    {
        string a = Console.ReadLine();
        long ans =a.Length*(a.Length-1);

        for (long i = 0; i < a.Length; i++)
        {

            if (a[(int)i] == 'U')
            {
                ans += i;
            }
            else
            {
                ans += a.Length -1 - i;
            }
        }
        Console.WriteLine(ans);
    }
  public static int factorial(int n)
    {
        if (n > 0)
        {
            return n * factorial(n - 1);
        }
        else
        {
            return 1;
        }
    }
    public static Boolean uso() { return false; }
    public static int gcd(int a,int b)
    {
        while (true)
        {
            if (a == 0) { return b; }
            if (b == 0) { return a; }
            if (a > b) { a -= b; }
            else { b -= a; }
        }
    }
    public static int lcm(int a,int b)
    {
        return a * b / gcd(a,b);
    }
    public static bool IsPrime(long n)
    {
        if (n < 2) return false;
        if (n == 2) return true;

        for (int i = 2; i < n; i++)
        {
            if (n % i == 0) return false;
        }
        return true;
    }

}
public static class Read
{
    public static void outl(string n = "") { Console.WriteLine(n); return; }
    public static int Int()
    {
        return int.Parse(Console.ReadLine());
    }
    public static long[] Ints()
    {
        return Console.ReadLine().Split().Select(long.Parse).ToArray();
    }
    public static string Str() { return Console.ReadLine(); }
    public static string[] Strs() { return Console.ReadLine().Split(); }
}

Submission Info

Judge Result