C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;

namespace FinalyProject
{
    // Entities
    public class Uni
    {
        public char[] ID = new char[2];
        public string UniName;
        public DateTime CDate;
        public int NCourses;
        public Course[] Courses;
    }
    public class Course
    {
        public char[] ID = new char[2];
        public string CourseName;
        public string TeacherName;
        public int NStudents;
        public Student[] Students;
    }
    public class Student
    {
        public char[] ID = new char[2];
        public string StudentName;
        public int Age;
        public int Score;
    }
    // Program
    class Program
    {
        static void Main(string[] args) // Main method
        {
            List<Uni> uni = new List<Uni>();
            while (true)
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("Menu : 1- Create New Uni | 2- Report");
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.Write("Please Inter Number Item : ");
                int NumberMenu = Convert.ToInt32(Console.ReadLine());
                Console.ResetColor();
                if (NumberMenu == 1)
                {
                    CreateNewUni(uni);
                }
                else if (NumberMenu == 2)
                {
                    if (Report(uni))
                        Console.ReadKey();
                    else
                        RedMessage("Code is not valid");
                }
                else
                {
                    RedMessage("Please Inter Just 1 Or 2");
                }
                Console.Clear();
            }
        }
        static void CreateNewUni(List<Uni> uni) // Create New University
        {
            Uni new_uni = new Uni();
            Console.Clear();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("====== Create New Uni ======");
            // Uni Info
            Console.Write("Uni Code (2 Large Char) : ");
            new_uni.ID = Console.ReadLine().ToCharArray();
            Console.Write("Uni Name : ");
            new_uni.UniName = Convert.ToString(Console.ReadLine());
            Console.Write("Creation Date (Example : 01/01/2021) : ");
            new_uni.CDate = Convert.ToDateTime(Console.ReadLine());
            Console.Write("Number Of Course : ");
            new_uni.NCourses = Convert.ToInt32(Console.ReadLine());
            // Classrooms Info
            new_uni.Courses = new Course[new_uni.NCourses];
            for (int i = 0; i < new_uni.NCourses; i++)
            {
                new_uni.Courses[i] = new Course();
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.WriteLine($"====== Course {i + 1} ======");
                Console.Write("Course Code (2 Small Char) : ");
                new_uni.Courses[i].ID = Console.ReadLine().ToCharArray();
                Console.Write("Course Name : ");
                new_uni.Courses[i].CourseName = Convert.ToString(Console.ReadLine());
                Console.Write("Teacher Name : ");
                new_uni.Courses[i].TeacherName = Convert.ToString(Console.ReadLine());
                Console.Write("Number Of Students : ");
                new_uni.Courses[i].NStudents = Convert.ToInt32(Console.ReadLine());
                // Students Info
                new_uni.Courses[i].Students = new Student[new_uni.Courses[i].NStudents];
                for (int j = 0; j < new_uni.Courses[i].NStudents; j++)
                {
                    new_uni.Courses[i].Students[j] = new Student();
                    Console.ForegroundColor = ConsoleColor.Blue;
                    Console.WriteLine($"====== Student {j + 1} ======");
                    Console.Write("Student Code (2 Number Char) : ");
                    new_uni.Courses[i].Students[j].ID = Console.ReadLine().ToCharArray();
                    Console.Write("Student Name : ");
                    new_uni.Courses[i].Students[j].StudentName = Convert.ToString(Console.ReadLine());
                    Console.Write("Student Age : ");
                    new_uni.Courses[i].Students[j].Age = Convert.ToInt32(Console.ReadLine());
                    Console.Write("Student Score : ");
                    new_uni.Courses[i].Students[j].Score = Convert.ToInt32(Console.ReadLine());
                }

            }
            // Add New University into List Universities
            uni.Add(new_uni);
        }
        static bool Report(List<Uni> uni) // Report of Universities
        {
            Console.Clear();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.Write("Please Inter Code : ");
            char[] code = Console.ReadLine().ToCharArray();
            if (char.IsUpper(code[0]) && char.IsUpper(code[1]))
            {
                if (code.Length == 2)
                {
                    int index = -1;
                    // Find Index of Uni
                    for (int i = 0; i < uni.Count; i++)
                    {
                        if (uni[i].ID.ToString() == code.ToString())
                        {
                            index = i;
                            break;
                        }
                    }
                    if (index == -1)
                        return false;
                    //Write Info
                    Console.Clear();
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("====== Uni Info ======");
                    // Uni Info
                    Console.WriteLine($"{CharToString(uni[index].ID)} | {uni[index].UniName} | {uni[index].CDate.ToString("yyyy/MM/dd")}");
                    // Courses Info
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine($"====== Courses Info ======");
                    for (int i = 0; i < uni[index].NCourses; i++)
                    {
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        Console.WriteLine($"Course {i + 1} | {CharToString(uni[index].Courses[i].ID)} | {uni[index].Courses[i].CourseName} | {uni[index].Courses[i].TeacherName}");
                        // Students Info
                        Console.ForegroundColor = ConsoleColor.Blue;
                        Console.WriteLine($"====== Students Info ======");
                        for (int j = 0; j < uni[index].Courses[i].NStudents; j++)
                        {
                            Console.WriteLine($"Student {j + 1} | {CharToString(uni[index].Courses[i].Students[j].ID)} | {uni[index].Courses[i].Students[j].StudentName} | {uni[index].Courses[i].Students[j].Age} | {uni[index].Courses[i].Students[j].Score}");
                        }

                    }
                    return true;
                }
                else if (char.IsLower(code[2]) && char.IsLower(code[3]))
                {
                    if (code.Length == 4)
                    {
                        int indexi = -1;
                        int indexj = -1;
                        string codei = code[0].ToString() + code[1].ToString();
                        string codej = code[2].ToString() + code[3].ToString();
                        // Find Index of Uni and Course
                        for (int i = 0; i < uni.Count; i++)
                        {
                            if (CharToString(uni[i].ID) == codei)
                            {
                                indexi = i;
                                for (int j = 0; j < uni[i].NCourses; j++)
                                {
                                    if (CharToString(uni[i].Courses[j].ID) == codej)
                                    {
                                        indexj = j;
                                        break;
                                    }
                                }
                            }
                        }
                        if (indexj == -1 || indexi == -1)
                            return false;
                        //Write Info
                        Console.Clear();
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("====== Uni Info ======");
                        // Uni Info
                        Console.WriteLine($"{CharToString(uni[indexi].ID)} | {uni[indexi].UniName} | {uni[indexi].CDate.ToString("yyyy/MM/dd")}");
                        // Course Info
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        Console.WriteLine($"====== Course Info ======");
                        Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].ID)} | {uni[indexi].Courses[indexj].CourseName} | {uni[indexi].Courses[indexj].TeacherName}");
                        // Students Info
                        Console.ForegroundColor = ConsoleColor.Blue;
                        Console.WriteLine($"====== Students Info ======");
                        for (int j = 0; j < uni[indexi].Courses[indexj].NStudents; j++)
                        {
                            Console.WriteLine($"Student {j + 1} | {CharToString(uni[indexi].Courses[indexj].Students[j].ID)} | {uni[indexi].Courses[indexj].Students[j].StudentName} | {uni[indexi].Courses[indexj].Students[j].Age} | {uni[indexi].Courses[indexj].Students[j].Score}");
                        }
                        return true;
                    }
                    else if (char.IsNumber(code[4]) && char.IsNumber(code[5]))
                    {
                        if (code.Length == 6)
                        {
                            int indexi = -1;
                            int indexj = -1;
                            int indexk = -1;
                            string codei = code[0].ToString() + code[1].ToString();
                            string codej = code[2].ToString() + code[3].ToString();
                            string codek = code[4].ToString() + code[5].ToString();
                            // Find Index of Uni , Course and Student
                            for (int i = 0; i < uni.Count; i++)
                            {
                                if (CharToString(uni[i].ID) == codei)
                                {
                                    indexi = i;
                                    for (int j = 0; j < uni[i].NCourses; j++)
                                    {
                                        if (CharToString(uni[i].Courses[j].ID) == codej)
                                        {
                                            indexj = j;
                                            for (int k = 0; j < uni[i].Courses[j].NStudents; k++)
                                            {
                                                if (CharToString(uni[i].Courses[j].Students[k].ID) == codek)
                                                {
                                                    indexk = k;
                                                    break;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                            if (indexj == -1 || indexi == -1 || indexk == -1)
                                return false;
                            //Write Info
                            Console.Clear();
                            // Uni Info
                            Console.ForegroundColor = ConsoleColor.Green;
                            Console.WriteLine("====== Uni Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].ID)} | {uni[indexi].UniName} | {uni[indexi].CDate.ToString("yyyy/MM/dd")}");
                            // Course Info
                            Console.ForegroundColor = ConsoleColor.Yellow;
                            Console.WriteLine($"====== Course Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].ID)} | {uni[indexi].Courses[indexj].CourseName} | {uni[indexi].Courses[indexj].TeacherName}");
                            // Students Info
                            Console.ForegroundColor = ConsoleColor.Blue;
                            Console.WriteLine($"====== Student Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].Students[indexk].ID)} | {uni[indexi].Courses[indexj].Students[indexk].StudentName} | {uni[indexi].Courses[indexj].Students[indexk].Age} | {uni[indexi].Courses[indexj].Students[indexk].Score}");
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                    else
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }
            }
            else
            {
                return false;
            }
        }
        public static void RedMessage(string str) // Show Red message
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine(str);
            Console.ResetColor();
        }
        public static string CharToString(char[] c) // Convert Characters list to String variable
        {
            string result = string.Empty;
            for (int i = 0; i < c.Length; i++)
                result += c[i].ToString();
            return result;
        }

    }
}

​x
 
using System;
using System.Collections.Generic;
​
namespace FinalyProject
{
    // Entities
    public class Uni
    {
        public char[] ID = new char[2];
        public string UniName;
        public DateTime CDate;
        public int NCourses;
        public Course[] Courses;
    }
    public class Course
    {
        public char[] ID = new char[2];
        public string CourseName;
        public string TeacherName;
        public int NStudents;
        public Student[] Students;
    }
    public class Student
    {
        public char[] ID = new char[2];
        public string StudentName;
        public int Age;
        public int Score;
    }
    // Program
    class Program
    {
        static void Main(string[] args) // Main method
        {
            List<Uni> uni = new List<Uni>();
            while (true)
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("Menu : 1- Create New Uni | 2- Report");
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.Write("Please Inter Number Item : ");
                int NumberMenu = Convert.ToInt32(Console.ReadLine());
                Console.ResetColor();
                if (NumberMenu == 1)
                {
                    CreateNewUni(uni);
                }
                else if (NumberMenu == 2)
                {
                    if (Report(uni))
                        Console.ReadKey();
                    else
                        RedMessage("Code is not valid");
                }
                else
                {
                    RedMessage("Please Inter Just 1 Or 2");
                }
                Console.Clear();
            }
        }
        static void CreateNewUni(List<Uni> uni) // Create New University
        {
            Uni new_uni = new Uni();
            Console.Clear();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("====== Create New Uni ======");
            // Uni Info
            Console.Write("Uni Code (2 Large Char) : ");
            new_uni.ID = Console.ReadLine().ToCharArray();
            Console.Write("Uni Name : ");
            new_uni.UniName = Convert.ToString(Console.ReadLine());
            Console.Write("Creation Date (Example : 01/01/2021) : ");
            new_uni.CDate = Convert.ToDateTime(Console.ReadLine());
            Console.Write("Number Of Course : ");
            new_uni.NCourses = Convert.ToInt32(Console.ReadLine());
            // Classrooms Info
            new_uni.Courses = new Course[new_uni.NCourses];
            for (int i = 0; i < new_uni.NCourses; i++)
            {
                new_uni.Courses[i] = new Course();
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.WriteLine($"====== Course {i + 1} ======");
                Console.Write("Course Code (2 Small Char) : ");
                new_uni.Courses[i].ID = Console.ReadLine().ToCharArray();
                Console.Write("Course Name : ");
                new_uni.Courses[i].CourseName = Convert.ToString(Console.ReadLine());
                Console.Write("Teacher Name : ");
                new_uni.Courses[i].TeacherName = Convert.ToString(Console.ReadLine());
                Console.Write("Number Of Students : ");
                new_uni.Courses[i].NStudents = Convert.ToInt32(Console.ReadLine());
                // Students Info
                new_uni.Courses[i].Students = new Student[new_uni.Courses[i].NStudents];
                for (int j = 0; j < new_uni.Courses[i].NStudents; j++)
                {
                    new_uni.Courses[i].Students[j] = new Student();
                    Console.ForegroundColor = ConsoleColor.Blue;
                    Console.WriteLine($"====== Student {j + 1} ======");
                    Console.Write("Student Code (2 Number Char) : ");
                    new_uni.Courses[i].Students[j].ID = Console.ReadLine().ToCharArray();
                    Console.Write("Student Name : ");
                    new_uni.Courses[i].Students[j].StudentName = Convert.ToString(Console.ReadLine());
                    Console.Write("Student Age : ");
                    new_uni.Courses[i].Students[j].Age = Convert.ToInt32(Console.ReadLine());
                    Console.Write("Student Score : ");
                    new_uni.Courses[i].Students[j].Score = Convert.ToInt32(Console.ReadLine());
                }
​
            }
            // Add New University into List Universities
            uni.Add(new_uni);
        }
        static bool Report(List<Uni> uni) // Report of Universities
        {
            Console.Clear();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.Write("Please Inter Code : ");
            char[] code = Console.ReadLine().ToCharArray();
            if (char.IsUpper(code[0]) && char.IsUpper(code[1]))
            {
                if (code.Length == 2)
                {
                    int index = -1;
                    // Find Index of Uni
                    for (int i = 0; i < uni.Count; i++)
                    {
                        if (uni[i].ID.ToString() == code.ToString())
                        {
                            index = i;
                            break;
                        }
                    }
                    if (index == -1)
                        return false;
                    //Write Info
                    Console.Clear();
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("====== Uni Info ======");
                    // Uni Info
                    Console.WriteLine($"{CharToString(uni[index].ID)} | {uni[index].UniName} | {uni[index].CDate.ToString("yyyy/MM/dd")}");
                    // Courses Info
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine($"====== Courses Info ======");
                    for (int i = 0; i < uni[index].NCourses; i++)
                    {
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        Console.WriteLine($"Course {i + 1} | {CharToString(uni[index].Courses[i].ID)} | {uni[index].Courses[i].CourseName} | {uni[index].Courses[i].TeacherName}");
                        // Students Info
                        Console.ForegroundColor = ConsoleColor.Blue;
                        Console.WriteLine($"====== Students Info ======");
                        for (int j = 0; j < uni[index].Courses[i].NStudents; j++)
                        {
                            Console.WriteLine($"Student {j + 1} | {CharToString(uni[index].Courses[i].Students[j].ID)} | {uni[index].Courses[i].Students[j].StudentName} | {uni[index].Courses[i].Students[j].Age} | {uni[index].Courses[i].Students[j].Score}");
                        }
​
                    }
                    return true;
                }
                else if (char.IsLower(code[2]) && char.IsLower(code[3]))
                {
                    if (code.Length == 4)
                    {
                        int indexi = -1;
                        int indexj = -1;
                        string codei = code[0].ToString() + code[1].ToString();
                        string codej = code[2].ToString() + code[3].ToString();
                        // Find Index of Uni and Course
                        for (int i = 0; i < uni.Count; i++)
                        {
                            if (CharToString(uni[i].ID) == codei)
                            {
                                indexi = i;
                                for (int j = 0; j < uni[i].NCourses; j++)
                                {
                                    if (CharToString(uni[i].Courses[j].ID) == codej)
                                    {
                                        indexj = j;
                                        break;
                                    }
                                }
                            }
                        }
                        if (indexj == -1 || indexi == -1)
                            return false;
                        //Write Info
                        Console.Clear();
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("====== Uni Info ======");
                        // Uni Info
                        Console.WriteLine($"{CharToString(uni[indexi].ID)} | {uni[indexi].UniName} | {uni[indexi].CDate.ToString("yyyy/MM/dd")}");
                        // Course Info
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        Console.WriteLine($"====== Course Info ======");
                        Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].ID)} | {uni[indexi].Courses[indexj].CourseName} | {uni[indexi].Courses[indexj].TeacherName}");
                        // Students Info
                        Console.ForegroundColor = ConsoleColor.Blue;
                        Console.WriteLine($"====== Students Info ======");
                        for (int j = 0; j < uni[indexi].Courses[indexj].NStudents; j++)
                        {
                            Console.WriteLine($"Student {j + 1} | {CharToString(uni[indexi].Courses[indexj].Students[j].ID)} | {uni[indexi].Courses[indexj].Students[j].StudentName} | {uni[indexi].Courses[indexj].Students[j].Age} | {uni[indexi].Courses[indexj].Students[j].Score}");
                        }
                        return true;
                    }
                    else if (char.IsNumber(code[4]) && char.IsNumber(code[5]))
                    {
                        if (code.Length == 6)
                        {
                            int indexi = -1;
                            int indexj = -1;
                            int indexk = -1;
                            string codei = code[0].ToString() + code[1].ToString();
                            string codej = code[2].ToString() + code[3].ToString();
                            string codek = code[4].ToString() + code[5].ToString();
                            // Find Index of Uni , Course and Student
                            for (int i = 0; i < uni.Count; i++)
                            {
                                if (CharToString(uni[i].ID) == codei)
                                {
                                    indexi = i;
                                    for (int j = 0; j < uni[i].NCourses; j++)
                                    {
                                        if (CharToString(uni[i].Courses[j].ID) == codej)
                                        {
                                            indexj = j;
                                            for (int k = 0; j < uni[i].Courses[j].NStudents; k++)
                                            {
                                                if (CharToString(uni[i].Courses[j].Students[k].ID) == codek)
                                                {
                                                    indexk = k;
                                                    break;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                            if (indexj == -1 || indexi == -1 || indexk == -1)
                                return false;
                            //Write Info
                            Console.Clear();
                            // Uni Info
                            Console.ForegroundColor = ConsoleColor.Green;
                            Console.WriteLine("====== Uni Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].ID)} | {uni[indexi].UniName} | {uni[indexi].CDate.ToString("yyyy/MM/dd")}");
                            // Course Info
                            Console.ForegroundColor = ConsoleColor.Yellow;
                            Console.WriteLine($"====== Course Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].ID)} | {uni[indexi].Courses[indexj].CourseName} | {uni[indexi].Courses[indexj].TeacherName}");
                            // Students Info
                            Console.ForegroundColor = ConsoleColor.Blue;
                            Console.WriteLine($"====== Student Info ======");
                            Console.WriteLine($"{CharToString(uni[indexi].Courses[indexj].Students[indexk].ID)} | {uni[indexi].Courses[indexj].Students[indexk].StudentName} | {uni[indexi].Courses[indexj].Students[indexk].Age} | {uni[indexi].Courses[indexj].Students[indexk].Score}");
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                    else
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }
            }
            else
            {
                return false;
            }
        }
        public static void RedMessage(string str) // Show Red message
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine(str);
            Console.ResetColor();
        }
        public static string CharToString(char[] c) // Convert Characters list to String variable
        {
            string result = string.Empty;
            for (int i = 0; i < c.Length; i++)
                result += c[i].ToString();
            return result;
        }
​
    }
}
​

Šodien Sarmīte dodas uz skolu.
Skolā viņa mācīsies
šī Sarmīte vēlas kļūt par programmētāju
Tādēļ viņa ļoti cenšās

Cached Result
Last Run:	6:03:51 am
Compile:	0.11s
Execute:	0s
Memory:	0b
CPU:	0.016s

View IL Code