///////////////////////////////////////////////////////////////////////////////////// NOTE : we cannot use library , using C

/* * Write code that swaps the most significant 16 bits and the least significant 16 bits * of a 32-bit int variable x. * For example, if x initially contains the value 0x12345678, * "the new value should be 0x56781234. You may use intermediate variables. */ int swap(int x) { // TODO: add your code here }