例6-3

#include<stdio.h>
int main(void)
{
    char ch='w';
    int a=2,b=0,c=0;
    float x=3.0;

    printf("%d",a&&b);
    printf("%d",a||b&&c);
    printf("%d",!a&&b);
    printf("%d",a||3+10&&2);
    printf("%d",!(x==2));
    printf("%d",!x==2);
    printf("%d\n",ch||b);

    return 0;