编辑代码

#include <stdio.h>
int main () {
    short a,b,c;
    a=0x55aa;
    b=0x00ff;
    c=a&b;
    printf("%04x \n",c);
    c=a|b;
    printf("%04x \n",c);
    c=~a&b;
    printf("%04x \n",c);
    a<<=2;
    printf("%04x \n",a);
    b>>=4;
    printf("%04x \n",b);
}