GFG TURN OFF BIT

#include <iostream>

using namespace std;

int turnOffK(int n, int k) {
    if (k <= 0) return n;
    return (n & ~(1 << (k - 1)));
}

int main() {
    int n = 15;
    int k = 4;
    cout << turnOffK(n, k);
    return 0;
}