小编Sud*_*Roy的帖子

#include <stdio.h>

int main () {
    int x, y, z;

    x = y = z = 1;
    ++x || ++y && ++z;
    printf ("x = %d\t y = %d\tz = %d\n", x, y, z);
    //op  :   x = 2    y = 1  z = 1 
    //why is 'x' only incrementd? 

    x = y = z = -1;
    ++x || ++y && ++z;
    printf ("x = %d\t y = %d\tz = %d\n", x, y, z);
    //op  :  x = 0    y …

#include <stdio.h>

int main () {
float a = 123.0; 

unsigned char ch, *cp;
ch = 0xff;

cp = (unsigned char *) &a;
printf ("%02x", ch&(*(cp+3)));
printf ("%02x", ch&(*(cp+2)));
printf ("%02x", ch&(*(cp+1)));
printf ("%02x\n", ch&(*(cp+0)));

/*I have written this program to see binary representation, but I can not understand the output, the binary representation?
}