C#

class Solution {

struct Player{
    public string name {get; set;}
    public int score {get; set;}

    public Player(string playerName, int playerScore){
        name = playerName;
        score = playerScore;
    }
}

class Checker : IComparer<Player>{
    public int Compare(Player a, Player b){
        if(b.score != a.score)
            return b.score.CompareTo(a.score);
        return a.name.CompareTo(b.name);
    }
}

static void Main(String[] args) {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution */

    int n = Convert.ToInt32(Console.ReadLine());
    var players = new Player[n];

    for (int i = 0; i < n; i++)
    {
        string[] input = Console.ReadLine().Split();
        players[i] = ( new Player { name = input[0], score = Convert.ToInt32(input[1])});
    }

    //var list = players.OrderByDescending(p => p.score).ThenBy(p => p.name);
    Array.Sort(players, new Checker());
    foreach(var player in players)
    {
        Console.WriteLine($"{player.name} {player.score}");
    }
    Console.ReadLine();
}

}