题解 | #奇偶校验#

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <bitset>
using namespace std;

int main() {
    char x;
    while (cin >> x) { 
        int as = x;
        int count = 0;
        while(as)
        {
            count = count + ( as % 2 );
            as /= 2;
        }
        if(count % 2 == 0)
            x += 128;
        cout << bitset<8>(x) << endl;
    }
}