C Sharp Program to reverse words in a String

C# Program to reverse words in a String -Learn how to reverse words of a given input sentence using mathematical approach,  string handling functions with examples.

Input-1
Good practice give good coding skills

Output-1
dooG ecitcarp evig doog gnidoc slliks

Input-2
This is very interesting Program

Output-2
sihT si yrev gnitseretni margorP

Example C# Program to reverse words in a String using mathematical approach

 class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Please Enter the Input String");
            string s = Console.ReadLine();
            
            List lst = new List();                        
            StringBuilder str = new StringBuilder();

                for (int i = 0; i < s.Length; i++) { if (s[i] == ' ' || i == s.Length - 1) { if (i == s.Length - 1) { lst.Add(s[i]); } for (int k = lst.Count - 1; k >= 0; k--)
                        {
                            str.Append(lst[k]);
                        }

                        lst = new List();
                        str.Append(" ");
                    }
                    lst.Add(s[i]);
                    
                }

                Console.WriteLine(str);
            

        }
    }

Example C# Program to reverse words in a String using string handling functions

  class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Please Enter the Input String");
            string s = Console.ReadLine();

            char[] letters = s.ToCharArray();
            Array.Reverse(letters);
            StringBuilder str = new StringBuilder();
            str.Append(letters);

            string[] s1 = str.ToString().Split(' ');

            for (int i = s1.Length - 1; i >= 0; i--)
            {
                Console.Write(s1[i]+" ");
            }           
        }
    }

Input
Please Enter the Input String

dooG ecitcarp evig doog gnidoc slliks

Output

Good practice give good coding skills