#include <stdio.h>
#include <time.h>
void print_date() {
static const char *weekday[] = {"domenica", "lunedì", "martedì", "mercoledì", "giovedì", "venerdì", "sabato"};
time_t t = time(NULL);
struct tm tm = *localtime(&t);
printf("%s - %02d/%02d/%04d", weekday[tm.tm_wday], tm.tm_mday, tm.tm_mon + 1, tm.tm_year + 1900);
}