Submission #3440657

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Source Code Expand

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

namespace AtCoder
{
    class Program
    {
        static int n;
        static string s;

        static void Main(string[] args)
        {
            //[summary]C - Attention
            n = int.Parse(Console.ReadLine().TrimEnd());
            s = Console.ReadLine().TrimEnd();

            int min = GetMinimumTurnedPeople();
            Console.WriteLine(min);
        }

        static int GetMinimumTurnedPeople()
        {
            int min = n;

            for(int i = 0; i < n; i++)
            {
                int count = CountTurnedPeople(i);

                if (count == 0)
                {
                    return 0;
                }
                else if (count < min)
                {
                    min = count;
                }
            }

            return min;
        }

        static int CountTurnedPeople(int index)
        {
            int count = 0;

            for(int i = 0; i < n; i++)
            {
                if (i < index && s[i] == 'W')
                {
                    count++;
                }
                else if (i > index && s[i] == 'E')
                {
                    count++;
                }
            }

            return count;
        }

        static IEnumerable<List<T>> ReadLines<T>(int count = 0, char separator = ' ')
        {
            //[summary]コンソールの値を読み込んで、List<T>のコレクションを返却

            //読み込む行数が未指定のときは、1行目の値を"count"とみなす
            if (count == 0)
            {
                string line = Console.ReadLine().TrimEnd();
                count = int.Parse(line);
            }

            for (int i = 0; i < count; i++)
            {
                //コンソールを1行読み込み
                string line = Console.ReadLine().TrimEnd();

                //char型のときは1文字ずつに分割
                if (typeof(T) == typeof(char))
                {
                    var list = line.ToCharArray().ToList();
                    yield return (List<T>)(object)list;
                }
                else
                {
                    //読み込んだ値を"separator"で区切る
                    var list = line.Split(separator).ToList();

                    //int型のときは数値に変換
                    if (typeof(T) == typeof(int))
                    {
                        var numbers = list.ConvertAll(int.Parse);
                        yield return (List<T>)(object)numbers;
                    }
                    else
                    {
                        yield return (List<T>)(object)list;
                    }
                }
            }
        }
    }
}

Submission Info

Judge Result