Algorithms

AllUniqueCharsInString.cs

using System;

namespace Dela.Mono.Examples
{
   public class HelloWorld
   {
      public static void Main(string[] args)
      {
        string str = Console.ReadLine();
        bool hasUniqueChars = true;
        
        
        for( int iCount = 0; iCount < str.Length; iCount++ ){
          
            //Console.WriteLine( iCount + " -----" );
          	for( int rCount = iCount+1; rCount < str.Length; rCount++ ){
              
              //Console.WriteLine( str[iCount] + " | " + str[rCount] );
              //Console.WriteLine( str[iCount] == str[rCount] );
              
              if( str[iCount] == str[rCount] ){
              	hasUniqueChars = false;
                Console.WriteLine( hasUniqueChars );
                return;
              }
          	}
        }
		
		Console.WriteLine( hasUniqueChars );
      }
   } 
}