Question

How to swap the first 4 bits of a number with the last 4 bits in C#

Answer 1

using System;
    
class Program
{
    static void print_bits(int n) { 
        for (int i = 7; i >= 0; i--)
            Console.Write((n >> i) & 1);
        Console.WriteLine();
    } 
    static void Main()
    {
        int n = 92; 
  
        print_bits(n);
  
        n = ((n & 0xf0) >> 4) | ((n & 0x0f) << 4);
  
        print_bits(n);
    }
}

    
/*
run:
    
01011100
11000101
 
*/

 

70+ SQL courses for beginners and professionals