[ECP1026]Set example

#include <stdio.h>

int main(){
typedef unsigned int set;

set x = (1<<1)|(1<<2)|(1<<3);
set y = (1<<2)|(1<<4)|(1<<6);
set z1 = x&y;
set z2 = x|y;

x = (1<<8 |x;
printf("Is z in X?");

if ((1<<2) & x){
    printf("Yes");
else
    printf("No");

}