在 C# 中以給定格式反轉字符串而不使用內置函數

Question

問題：我有一個字符串"This is paragraph."

期望輸出： sihT si hpargarap.

示例代碼：

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();
  }
}

請糾正我。

Answer 1

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();
    }
}

Answer 2

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

Answer 3

使用 C# 在不使用內置函數的情況下反轉給定的字符串

    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);

輸出：

表情包

Answer 4

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