public static long flippingBits(long n)
    {
        string binary = Convert.ToString(n, 2).PadLeft(32, '0');
        string flipping = "";
          
        foreach(char d in binary) flipping += d == '0' ? '1' : '0';
        return Convert.ToUInt32(flipping, 2);       
    }

long flippingBits(long n) {
    return (uint32_t)~n;
}

def flippingBits(n):
    maxN = 4294967295
    return maxN-n

function flippingBits(n) {
  let q = (2 ** 32)-1
  let ans = q-n
  return ans
}

def flippingBits(n):
    flippedBits = []
    binaryNumber = bin(n)[2:].zfill(32)
    for bit in binaryNumber:
        flippedBits.append("1") if bit == "0" else flippedBits.append("0")
    
    return int("".join(flippedBits), base=2)