c3_21.txt

将数据分为不同的类型

#include <stdio.h>
main ( )
{int x, y, z;
 x=1; y=1; z=0;
 x = x &&y||z;

 printf("x=%d\n",x);
 printf ("%d\n", x || !y++ && ++z);

 printf ("y=%d, z=%d\n", y, z);
 x = y = 1;
 z = x++ -1;
 printf ("x=%d, z=%d\n", x, z);
 z += -x++ + ++y;
 printf ("x=%d, y=%d, z=%d\n", x, y, z);
}