#include <stdio.h>

#define SET_SIZE 100
typedef unsigned char SET[SET_SIZE];

void insert_in_set(SET s, unsigned int n) {
    // echivalent cu s[n/8] = s[n/8] | (1 << (n % 8));
    s[n/8] |= (1 << (n % 8));
}

void delete_from_set(SET s, unsigned int n) {

}


int is_in_set(SET s, unsigned int n) {

}

int card_set(SET s) {

}

int read_set(SET s) {

}

void print_set(SET s) {

}

void merge_set(SET a, SET b, SET c) {

}

void intersect_set(SET a, SET b, SET c) {

}

void diff_set(SET a, SET b, SET c) {

}

int main() {
    return 0;
}