C#1_3_14

using System;

class ExchangeBits345
{
    static void Main()
    {
        int p = 3;
        int q = 24;
        int k = 3;
        uint i = 109051924;
        uint mask = 1;
        uint t;
        uint r;                  //result:41943092
        t = ((i >> p) ^ (i >> q)) & ((mask << k) - 1);
        r = i ^ ((t << p) | (t << q));
        Console.WriteLine(r);
    }
}