GFG-SWAP-BITS

#include <bits/stdc++.h>
using namespace std;
 
int swapBits(unsigned int x, unsigned int p1, unsigned int p2, unsigned int n) {
    unsigned int set1 = (x >> p1) & ((1U << n) - 1);
    unsigned int set2 = (x >> p2) & ((1U << n) - 1);
 
    unsigned int Xor = (set1 ^ set2);
    Xor = (Xor << p1) | (Xor << p2);

    unsigned int result = x ^ Xor;
 
    return result;
}

int main() {
    int res = swapBits(28, 0, 3, 2);
    cout << "Result = " << res;
    return 0;
}