位运算实现x+1

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

int main() {
    int x;
    while(cin >> x) {
        x = (x & 1) ? ( ( x & ((-1) << (((( ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) | ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) | (((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) > 0xF) << 2)) | ((((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) >> (((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) > 0xF) << 2)) > 0x3) << 1)) | ((((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) >> (((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) > 0xF) << 2)) >> ((((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) >> (((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) >> ((( ((x ^ -1) & ( - (x ^ -1) ) ) >> ( ( ((x ^ -1) & ( - (x ^ -1) ) ) > 0xFFFF) << 4) ) > 0xFF) << 3)) > 0xF) << 2)) > 0x3) << 1)) >> 1)))) | ((x ^ -1) & ( - (x ^ -1) ) )) : x | 1;
        cout << x << endl;
    }
}