19.05.2020, C# - rextester

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Microsoft (R) Visual C# Compiler version 2.9.0.63208 (958f2354)

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

namespace Rextester
{
    public class student
    {
        public string surname;
        public string name;
        public int age;
        public int otsenka;
        public void printstudent()
        {
            Console.WriteLine("Фамилия: {0}   Имя: {1}", surname, name);
        }
        public void soglasn()
        {
            string sogl;
            sogl = "йЙцЦкКнНгГшШщЩзЗхХфФвВпПрРоОлЛдДжЖчЧсСмМтТбБqQwWrRtTyYpPsSdDfFgGhHjJkKlLzZxXcCvVbBnNmM";
            for (int i = 0; i < surname.Length; ++i)
            {
                for (int q = 0; q < sogl.Length; ++q)
                {
                    if(surname[i] == sogl[q])
                    {
                        Console.Write(surname[i]);
                    }
                }
            }
        }
        public string predmet;
        public void printinform()
        {
            string predmet2;
            predmet2 = "информатика";
            int result;
            result = String.Compare(predmet, predmet2, true);
            if(result == 0)
            {
                Console.WriteLine("Информатика");
                printstudent();
                Console.WriteLine("Оценка: " + otsenka);
            }
        }
    }
    public class Program
    {
        public static void Main(string[] args)
        {
            student[] k107;
            int n = Convert.ToInt32(Console.ReadLine());
            k107 = new student[n];
            for (int i=0; i<n; i++)
            {
                k107[i] = new student();
                k107[i].surname = Console.ReadLine();
                k107[i].name = Console.ReadLine();
                k107[i].age = Convert.ToInt32(Console.ReadLine());
                k107[i].predmet = Console.ReadLine();
                k107[i].otsenka = Convert.ToInt32(Console.ReadLine());
            }
            
            for (int i=0; i<n; i++)
            {
                k107[i].printinform();
                Console.WriteLine();
            }
        }
    }
}

Show compiler warnings [ - ] Show input
Compilation time: 0,23 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 15 Mb, average nr of threads: 3, absolute service time: 0,36 sec