Rozwiazanie, C# - rextester

Rozwiazanie

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
           
            Console.WriteLine(Reverse("Kajak"));
        }
        /*
        * Odwroc kolejnosc znakow
        */
        public static string Reverse(string text)
        {
            var reversed = string.Empty;
            for(var i=0;i<text.Length;i++)
            {
                reversed = reversed + text[text.Length - 1 - i];
            }
            return reversed;
        }
        
        
        /*
        * Czy text zawiera slowo
        */
        public static bool Contains(string text,string word)
        {
            if(text.Length < word.Length)
                return false;
            for(var i=0;i<text.Length-word.Length;i++)
            {
                bool contains = true;
                for(var j=0;j<word.Length;j++)
                {
                    if(text[i+j]!=word[j])
                    {
                        contains =false;
                        break;
                    }
                }
                if(contains)
                    return true;
            }
            return false;
        }

/*
        * Male litery do duzych
        */
        public static string ToUpper(string text)
        {
            string upper = string.Empty;
            for(var i=0;i<text.Length;i++)
            {
                upper += Char.ToUpper((text[i]));
            }
            return upper;
        }
        
        /*
        * Duze litery do malych
        */
        public static string ToLower(string text)
        {
            string lower = string.Empty;
            for(var i=0;i<text.Length;i++)
            {
                lower += Char.ToLower((text[i]));
            }
            return lower;
        }
        
        /*
        * Male do duzych duze do malych
        */
        public static string UpperToLowerLowerToUpper(string text)
        {
            var upperAndLower = string.Empty;
            
            for(var i=0;i<text.Length;i++)
            {
                upperAndLower += Char.IsLower(text[i]) ? Char.ToUpper(text[i]) : Char.ToLower(text[i]);
            }
            return upperAndLower;
        }
        
        /*
        * Ile razy slowo wystepuje w zdaniu
        */
        public static int WordOccurence(string text,string word)
        {
            var count = 0;
            
            for(var i=0;i<text.Length;i++)
            {
                bool contains = true;
                for(var j=0;j<word.Length;j++)
                {
                    if(text[i+j] != word[j])
                    {
                        contains =false;
                        break;
                    }
                }
                if(contains)
                    count++;
            }
            
            return count;
        }
        
        
        /*
        * Zlicza liczbe slow w zdaniu
        */
        public static int WordCount(string text)
        {
            var separators = new char[]{' ','.',','};
            var count=0;
            for(var i=0;i<text.Length;i++)
            {
                //jesli wystepuje jakis oddzielajacy znak i nie ma go na koncu zdania lub nie ma podwojnej spacji lub przecinka count ++
                if(separators.Contains(text[i])&& i < text.Length && !separators.Contains(text[i+1]) )
                   count ++;
            }
            return count;
        }
        
        /*
        * Sprawdza czy jest palindromem
        */
        public static bool IsPalindrome(string word)
        {
            var isPalindrome = true;
            for(var i=0;i<word.Length;i++)
            {
                if(word[i]!=word[word.Length - 1 -i])
                   isPalindrome = false;
            }
                   
            return isPalindrome;
        }

}
}


run \| edit \| history \| help	0