task9

using System;

public class Program
{
    public static void Main(string[] args)
    {

        char bracketStart = '(';
        char bracketEnd = ')';

        Console.Write("Input Brackets : ");
        string brackets = Console.ReadLine();

        int bracketsDepth = 0;
        int bracketsDepthMax = 0;
        bool isWrong = false;

        foreach(char bracket in brackets)
        {
            if(bracket == bracketStart)
            {
                ++bracketsDepth;
            }
            else if(bracket == bracketEnd)
            {
                if(bracketsDepth > bracketsDepthMax)
                    bracketsDepthMax = bracketsDepth;
                --bracketsDepth;
            }

            if(bracketsDepth < 0)
            {
                isWrong = true;
                break;
            }
        }

        if(isWrong)
            Console.WriteLine("String with brackets is incorrect.");
        else
            Console.WriteLine("String with brackets is correct. Max depth of brackets is : " + bracketsDepthMax);

    }
}