Reverse string in given format in c# without using inbuilt function

Question

Ques: I have a string "This is paragraph."

Desired Output: sihT si hpargarap.

Sample Code:

using System.Data;
using System.Text;
class ReverseString
{
  public static void Main()
  {
    string inputString="This is paragraph.";// input can be dynamic
    char[] x=inputString.ToCharArray();
    StringBuilder sb = new StringBuilder();
    for(int i=inputString.Length-1;i>=0;--i)
    {
      sb.Append(x[i]);
    }
    Console.Write(sb.ToString());
    Console.ReadKey();
  }
}

Please correct me.

score 1 · Accepted Answer · answered Feb 04 '17 at 12:40

using System;
using System.Linq;
class Program
{
    static void Main(string[] args)
    {
        Console.Write("Enter the string: ");
        string inputString = Console.ReadLine();
        string outputString = string.Join(" ", inputString.Split(' ').Select(x=> new string(x.Reverse().ToArray())));
        Console.WriteLine("Output: "+ outputString);
        Console.ReadKey();
    }
}

Stephan Regan · Answer 2 · 2018-01-05T12:49:43.637

1

string result = "";
string inputString = "This is paragraph.";
for (int i = inputString.Length - 1; i >= 0; i--)
{
    result += inputString[i];
}
Console.WriteLine(result);
Console.ReadLine();

edited Jan 05 '18 at 12:49

answered Jan 05 '18 at 12:05

Stephan Regan

41
3

While this code snippet may solve the question, [including an explanation](http://meta.stackexchange.com/questions/114762/explaining-entirely-code-based-answers) really helps to improve the quality of your post. Remember that you are answering the question for readers in the future, and those people might not know the reasons for your code suggestion. – Isma Jan 05 '18 at 14:56
This code [does not work](https://stackoverflow.com/questions/22114707/). – Dour High Arch Jan 05 '18 at 18:51

score 1 · Answer 3 · answered Feb 25 '20 at 09:49

To reverse the given string without using inbuilt function using C#

    string str="Welcome";
    char[] array = new char[str.Length];
    int j = 0;
    for(int i=str.Length-1;i>=0;i--)
    {
      array[j++] = str[i];
    }
    string reverseString = new string(array);

Output:

emocleW

score 0 · Answer 4 · edited Jun 03 '20 at 13:37

0

string outString= string.Join(" ", inString.Split(' ').Select(x=> new string(x.Reverse().ToArray())));

edited Jun 03 '20 at 13:37

Jason Armstrong

1,058
9
17

answered Jun 03 '20 at 12:54

Y S CHANDRA SHEKHAR

1

2

Welcome to SO. Can you add a little explanation as to what each statement is doing? – Jason Armstrong Jun 03 '20 at 13:11

Reverse string in given format in c# without using inbuilt function

4 Answers4