BracketsC#

using System;
using System.Collections.Generic;

public class Program
{

    public static bool checkBracketsX(string text)
    {
        Stack<char> check = new Stack<char>();
        foreach (char ch in text)
        {
            if (ch == '(' || ch == '[' || ch == '{')
            {
                check.Push(ch);
            }
            else if (ch == ')' || ch == ']' || ch == '}')
            {
                if (check.Count == 0)
                {
                    return false;
                }
                else
                {
                    char skoba = check.Pop();
                    switch (ch)
                    {
                        case ')':
                            if (skoba != '(')
                                return false;
                            break;
                        case ']':
                            if (skoba != '[')
                                return false;
                            break;
                        case '}':
                            if (skoba != '{')
                                return false;
                            break;
                    }
                }
            }
        }

        if (check.Count == 0)
        {
            return true;
        }
        else
        {
            return false;
        }
    }




    public static bool checkBrackets(string text)
    {
        Stack<char> check = new Stack<char>();
        foreach (char ch in text)
        {
            if (ch == '(')
            {
                check.Push('(');
            }
            else if (ch == ')')
            {
                if (check.Count == 0)
                {
                    return false;
                }
                else
                {
                    check.Pop();
                }
            }
        }

        if (check.Count == 0)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    public static void Main()
    {
        Console.Write("Enter text: ");
        string text = Console.ReadLine();
        bool flag = true;
        Stack<char> check = new Stack<char>();

        foreach (char ch in text)
        {
            if (ch == '(')
            {
                check.Push('(');
            }
            else if (ch == ')')
            {
                if (check.Count == 0)
                {
                    flag = false;
                    break;
                }
                else
                {
                    check.Pop();
                }
            }
        }

        if (check.Count != 0)
        {
            flag = false;
        }

        if (flag)
        {
            Console.WriteLine("Correct!");
        }
        else
        {
            Console.WriteLine("Incorrect!");
        }
    }
}