gistfile1.txt

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

namespace ConsoleApp1
{
    using static Console;

    class Program
    {
        class Item
        {
            public bool Start;
            public int V;
            public int Pos;
            public Item Next;
            public Item Prev;
        }

        static (int pos, int len) Process(Item[] P, bool reversed)
        {
            int N = P.Length;

            for (int i = 0; i < N; i++)
            {
                P[i].Next = P[(i + 1) % N];
                P[i].Prev = P[(i + N - 1) % N];
            }

            var cur = P[0];

            int M = N;

            for (int i = 0; i < N; i++)
            {
                if (cur.Start && !cur.Next.Start && cur.V == cur.Next.V)
                {
                    var prev = cur.Prev;
                    var next = cur.Next.Next;
                    prev.Next = next;
                    next.Prev = prev;
                    cur = prev;
                    M -= 2;

                    if (M == 0)
                    {
                        WriteLine("1 {0}", N / 2);
                        return (1, N);
                    }
                }
                else
                {
                    cur = cur.Next;
                }
            }

            var max = 0;
            var pos = 0;

            for (int i = 0; i < N; i++)
            {
                var next = reversed ? cur.Prev : cur.Next;
                var d = (next.Pos - cur.Pos + N - 1) % N;

                if (d > max)
                {
                    max = d;
                    pos = reversed ? (cur.Pos + 1) % N: cur.Pos;
                }

                cur = next;
            }

            return (pos + 1, max / 2);
        }

        static void Main(string[] args)
        {
            var s1 = ReadLine();
            var s2 = ReadLine();

            int N = int.Parse(s1);
            var P = s2.Split(' ').Select((x, i) => new Item { Start = x[0] == 's', V = int.Parse(x.Substring(1)), Pos = i }).ToArray();

            var v1 = Process(P, false);
            var v2 = Process(P.Reverse().ToArray(), true);

            if (v1.len < v2.len)
                v1 = v2;          

            WriteLine("{0} {1}", v1.pos, v1.len);
        }
    }
}