Meniu C# | C# Online Compiler

Meniu C# by MariaStetiu

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

namespace meniu_model
{
    class Program
    {
        static int opt=0;
			static void meniu(out int opt)
			{
				Console.Clear();
            	Console.BackgroundColor = ConsoleColor.LightBlue;
            	Console.WriteLine("1.vector atestat");
           	 	Console.WriteLine("2.vector funcții c#");
            	Console.WriteLine("3.matrice bac");
            	Console.WriteLine("4.matrice c#");
				Console.WriteLine("5.șir bac/atestat");
				Console.WriteLine("6.șir c#");
				Console.WriteLine("7.lista/stiva c#");
            	Console.WriteLine("8 iesire");
            	Console.Write("dati optiunea ");
				opt = Int32.Parse(Console.ReadLine());
			}
		static void pb1()
        {
            //Sa se inverseze ordinea elementelor unui vector.
            Console.Clear();
            Console.WriteLine("PB 1");
            int[] myIntArray = new int[] {1,2,3};

            ReverseElements(myIntArray);

            for (int i = 0; i < myIntArray.Length; i++)
            {
                Console.WriteLine(myIntArray[i]);
            }

            Console.Read();
        }

        static void ReverseElements(int[] myArray)
        {
            int left = 0;
            int right = myArray.Length - 1;
            int temp;

            while (left < right)
            {
                temp = myArray[left];
                myArray[left] = myArray[right];
                myArray[right] = temp;
                left++;
                right--;
            }

            Console.ReadLine();
        }
		static void pb2()
        {
            //Sa se afiseze elementele pare de pe pozitiile impare.
            Console.Clear();
            Console.WriteLine("PB 2");
            Console.Write("Introduceti numarul de elemente al vectorului: ");
            int n = int.Parse(Console.ReadLine());
            int[] v = new int[n];

            Console.WriteLine("Introduceti elementele:");
            for (int i = 0; i < n; i++)
                v[i] = int.Parse(Console.ReadLine());

            Console.WriteLine("Elemente pare de pe pozitiile impare sunt:");
            for (int i = 0; i < n; i += 2)
            {
                if (v[i] % 2 == 0)
                    Console.WriteLine(v[i]);
            }


            Console.ReadLine();
        }
		static void pb3()
        {
            //Sa se interschimbe 2 linii intr.o matrice oarecare
            Console.Clear();
            Console.WriteLine("PB 3");
            int i, j, aux = 0;
            Console.WriteLine("Introduceti numarul de linii:");
            int l = int.Parse(Console.ReadLine());

            Console.WriteLine("Introduceti numarul de coloane:");
            int c = int.Parse(Console.ReadLine());

            int [,] m = new int[l,c];

            Console.WriteLine("Introduceti elementele matricii:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                {
                    Console.Write("M[{0}][{1}]=", i, j);
                    m[i,j] = int.Parse(Console.ReadLine());
                }
            }

            Console.WriteLine("Matricea:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                    Console.Write(m[i, j] + " ");
                Console.WriteLine();
            }

            Console.WriteLine("Introduceti indicele liniei care se va schimba: 1 - {0}", l);
            int l1 = int.Parse(Console.ReadLine());
            l1--;

            Console.WriteLine("Introduceti indicele liniei cu care se va schimba: 1 - {0}", l);
            int l2 = int.Parse(Console.ReadLine());
            l2--;

            for(i = 0; i < c; i++)
            {
                aux = m[l1, i];
                m[l1, i] = m[l2, i];
                m[l2, i] = aux;
            }

            Console.WriteLine("Matricea dupa schimbarea liniilor:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                    Console.Write(m[i, j] + " ");
                Console.WriteLine();
            }

            Console.ReadLine();

            Console.ReadLine();
        }
		static void pb4()
        {
            //Creeaza un program in care sa se completeze o matrice cu numere aleatorii
            Console.Clear();
            Console.WriteLine("PB 4");
            Random r= new Random();
			int[][] a = new int[10][];
			for(int i=0; i<10; i++)
			{
			a[i]=new int [10];
			for (int j = 0; j < 10; j++)
			{
			a[i][j] = r.Next() % 100;
			}
			}
            Console.ReadLine();
        }
		static void pb5()
        {
            //Sa se afiseze cate litere mari, litere mici ,cifre contine sirul.
            Console.Clear();
            Console.WriteLine("PB 5");
            int countUpper = 0;
            int countLower = 0;
            int countNumbers = 0;

            Console.WriteLine("Introduceti primul sir:");
            char[] myString = Console.ReadLine().ToCharArray();

            int length = myString.Length;

            for (int i = 0; i < length; i++)
            {
                int converted = Convert.ToInt32(myString[i]);
                //verificare litere mari
                if (converted >= 65 && converted <= 90)
                    countUpper++;
                //verificare litere mici
                else if (converted >= 97 && converted <= 122)
                    countLower++;
                //verificare numere
                else if (converted >= 48 && converted <= 57)
                    countNumbers++;
            }

            Console.WriteLine("Litere mari sunt {0}, litere mici sunt {1}, numere sunt {2}", countUpper, countLower, countNumbers);

            //alternativ, structura char pune la dispozitie metodele necesare acestor verificari
            countUpper = countLower = countNumbers = 0;

            foreach(char c in myString)
            {
                if (char.IsUpper(c))
                    countUpper++;
                else if (char.IsLower(c))
                    countLower++;
                else if (char.IsNumber(c))
                    countNumbers++;
            }

            Console.WriteLine("Litere mari sunt {0}, litere mici sunt {1}, numere sunt {2}", countUpper, countLower, countNumbers);

            Console.ReadLine();
        }
		static void pb6()
        {
            //Se consideră un text. Sa se separe in cuvinte.
            Console.Clear();
            Console.WriteLine("PB 6");
			string text;
			text= Console.ReadLine(Int32.Parse());
			string [] cuv = text.Split(' ');
            int lgm = 0;
			foreach(string cuv in cuvinte)
			{
				if(lgm < cuv.Length)
					lgm = cuv.Length;
				Console.WriteLine(cuv);
			}
            Console.ReadLine();
        }
		static void pb7()
        {
            //Sa se construiasca o stiva din bitii unui numar dat
            Console.Clear();
            Console.WriteLine("PB 7");
            int n;
			Stack st = new Stack();
			Console.Write("n = ");
			n = int.Parse(Console.ReadLine());
			while (n > 0)
			{
			st.Push(n % 2);
			n = n / 2;
			}
			Console.WriteLine("Numarul convertit in baza 2 are {0} biti.",
			st.Count);
			Console.Write("Numarul convertit in baza 2 este :");
			while (st.Count > 0)
			{
			Console.Write(st.Peek());
			st.Pop();
			}
            	Console.ReadLine();
       	 	}
			static void pb8()
       	 	{
            //text pb1
            Console.Clear();
            Console.WriteLine("PB 8");
            

            Console.ReadLine();
        }
		static void Main(string[] args)
		{
			int opt;
			int ok=0;
			do
			{
				meniu(out opt);
				switch (opt)
				{
						case 1;
						{
							pb1();
							break;
						}
						case 2;
						{
							pb2();
							break;
						}
						case 3;
						{
							pb3();
							break;
						}
						case 4;
						{
							pb4();
							break;
						}
						case 5;
						{
							pb5();
							break;
						}
						case 6;
						{
							pb6();
							break;
						}
						case 7;
						{
							pb7();
							break;
						}
						default:
                        Console.WriteLine("Invalid option");
                        break;
				}
			}
			while(opt != 8);
			Console.WriteLine("Press Enter to exit...");
            Console.ReadLine();
		}
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
​
namespace meniu_model
{
    class Program
    {
        static int opt=0;
            static void meniu(out int opt)
            {
                Console.Clear();
                Console.BackgroundColor = ConsoleColor.LightBlue;
                Console.WriteLine("1.vector atestat");
                Console.WriteLine("2.vector funcții c#");
                Console.WriteLine("3.matrice bac");
                Console.WriteLine("4.matrice c#");
                Console.WriteLine("5.șir bac/atestat");
                Console.WriteLine("6.șir c#");
                Console.WriteLine("7.lista/stiva c#");
                Console.WriteLine("8 iesire");
                Console.Write("dati optiunea ");
                opt = Int32.Parse(Console.ReadLine());
            }
        static void pb1()
        {
            //Sa se inverseze ordinea elementelor unui vector.
            Console.Clear();
            Console.WriteLine("PB 1");
            int[] myIntArray = new int[] {1,2,3};
​
            ReverseElements(myIntArray);
​
            for (int i = 0; i < myIntArray.Length; i++)
            {
                Console.WriteLine(myIntArray[i]);
            }
​
            Console.Read();
        }
​
        static void ReverseElements(int[] myArray)
        {
            int left = 0;
            int right = myArray.Length - 1;
            int temp;
​
            while (left < right)
            {
                temp = myArray[left];
                myArray[left] = myArray[right];
                myArray[right] = temp;
                left++;
                right--;
            }
​
            Console.ReadLine();
        }
        static void pb2()
        {
            //Sa se afiseze elementele pare de pe pozitiile impare.
            Console.Clear();
            Console.WriteLine("PB 2");
            Console.Write("Introduceti numarul de elemente al vectorului: ");
            int n = int.Parse(Console.ReadLine());
            int[] v = new int[n];
​
            Console.WriteLine("Introduceti elementele:");
            for (int i = 0; i < n; i++)
                v[i] = int.Parse(Console.ReadLine());
​
            Console.WriteLine("Elemente pare de pe pozitiile impare sunt:");
            for (int i = 0; i < n; i += 2)
            {
                if (v[i] % 2 == 0)
                    Console.WriteLine(v[i]);
            }
​
​
            Console.ReadLine();
        }
        static void pb3()
        {
            //Sa se interschimbe 2 linii intr.o matrice oarecare
            Console.Clear();
            Console.WriteLine("PB 3");
            int i, j, aux = 0;
            Console.WriteLine("Introduceti numarul de linii:");
            int l = int.Parse(Console.ReadLine());
​
            Console.WriteLine("Introduceti numarul de coloane:");
            int c = int.Parse(Console.ReadLine());
​
            int [,] m = new int[l,c];
​
            Console.WriteLine("Introduceti elementele matricii:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                {
                    Console.Write("M[{0}][{1}]=", i, j);
                    m[i,j] = int.Parse(Console.ReadLine());
                }
            }
​
            Console.WriteLine("Matricea:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                    Console.Write(m[i, j] + " ");
                Console.WriteLine();
            }
​
            Console.WriteLine("Introduceti indicele liniei care se va schimba: 1 - {0}", l);
            int l1 = int.Parse(Console.ReadLine());
            l1--;
​
            Console.WriteLine("Introduceti indicele liniei cu care se va schimba: 1 - {0}", l);
            int l2 = int.Parse(Console.ReadLine());
            l2--;
​
            for(i = 0; i < c; i++)
            {
                aux = m[l1, i];
                m[l1, i] = m[l2, i];
                m[l2, i] = aux;
            }
​
            Console.WriteLine("Matricea dupa schimbarea liniilor:");
            for (i = 0; i < l; i++)
            {
                for (j = 0; j < c; j++)
                    Console.Write(m[i, j] + " ");
                Console.WriteLine();
            }
​
            Console.ReadLine();
​
            Console.ReadLine();
        }
        static void pb4()
        {
            //Creeaza un program in care sa se completeze o matrice cu numere aleatorii
            Console.Clear();
            Console.WriteLine("PB 4");
            Random r= new Random();
            int[][] a = new int[10][];
            for(int i=0; i<10; i++)
            {
            a[i]=new int [10];
            for (int j = 0; j < 10; j++)
            {
            a[i][j] = r.Next() % 100;
            }
            }
            Console.ReadLine();
        }
        static void pb5()
        {
            //Sa se afiseze cate litere mari, litere mici ,cifre contine sirul.
            Console.Clear();
            Console.WriteLine("PB 5");
            int countUpper = 0;
            int countLower = 0;
            int countNumbers = 0;
​
            Console.WriteLine("Introduceti primul sir:");
            char[] myString = Console.ReadLine().ToCharArray();
​
            int length = myString.Length;
​
            for (int i = 0; i < length; i++)
            {
                int converted = Convert.ToInt32(myString[i]);
                //verificare litere mari
                if (converted >= 65 && converted <= 90)
                    countUpper++;
                //verificare litere mici
                else if (converted >= 97 && converted <= 122)
                    countLower++;
                //verificare numere
                else if (converted >= 48 && converted <= 57)
                    countNumbers++;
            }
​
            Console.WriteLine("Litere mari sunt {0}, litere mici sunt {1}, numere sunt {2}", countUpper, countLower, countNumbers);
​
            //alternativ, structura char pune la dispozitie metodele necesare acestor verificari
            countUpper = countLower = countNumbers = 0;
​
            foreach(char c in myString)
            {
                if (char.IsUpper(c))
                    countUpper++;
                else if (char.IsLower(c))
                    countLower++;
                else if (char.IsNumber(c))
                    countNumbers++;
            }
​
            Console.WriteLine("Litere mari sunt {0}, litere mici sunt {1}, numere sunt {2}", countUpper, countLower, countNumbers);
​
            Console.ReadLine();
        }
        static void pb6()
        {
            //Se consideră un text. Sa se separe in cuvinte.
            Console.Clear();
            Console.WriteLine("PB 6");
            string text;
            text= Console.ReadLine(Int32.Parse());
            string [] cuv = text.Split(' ');
            int lgm = 0;
            foreach(string cuv in cuvinte)
            {
                if(lgm < cuv.Length)
                    lgm = cuv.Length;
                Console.WriteLine(cuv);
            }
            Console.ReadLine();
        }
        static void pb7()
        {
            //Sa se construiasca o stiva din bitii unui numar dat
            Console.Clear();
            Console.WriteLine("PB 7");
            int n;
            Stack st = new Stack();
            Console.Write("n = ");
            n = int.Parse(Console.ReadLine());
            while (n > 0)
            {
            st.Push(n % 2);
            n = n / 2;
            }
            Console.WriteLine("Numarul convertit in baza 2 are {0} biti.",
            st.Count);
            Console.Write("Numarul convertit in baza 2 este :");
            while (st.Count > 0)
            {
            Console.Write(st.Peek());
            st.Pop();
            }
                Console.ReadLine();
            }
            static void pb8()
            {
            //text pb1
            Console.Clear();
            Console.WriteLine("PB 8");
            
​
            Console.ReadLine();
        }
        static void Main(string[] args)
        {
            int opt;
            int ok=0;
            do
            {
                meniu(out opt);
                switch (opt)
                {
                        case 1;
                        {
                            pb1();
                            break;
                        }
                        case 2;
                        {
                            pb2();
                            break;
                        }
                        case 3;
                        {
                            pb3();
                            break;
                        }
                        case 4;
                        {
                            pb4();
                            break;
                        }
                        case 5;
                        {
                            pb5();
                            break;
                        }
                        case 6;
                        {
                            pb6();
                            break;
                        }
                        case 7;
                        {
                            pb7();
                            break;
                        }
                        default:
                        Console.WriteLine("Invalid option");
                        break;
                }
            }
            while(opt != 8);
            Console.WriteLine("Press Enter to exit...");
            Console.ReadLine();
        }
}

Compilation error (line 14, col 21): Unexpected character '$'
Compilation error (line 15, col 21): Unexpected character '$'

Last Run:	4:20:28 pm
Compile:	0s
Execute:	0.026s
Memory:	0b
CPU:	0s

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