#include <stdio.h>
#define NUMBER_OF_DAYS 7
int main()
{
// holds the number of tickets ordered in each day
int days[NUMBER_OF_DAYS] = { 0 };
int cur_day, tickets_number;
int max, min, counter;
int days_counter, print_counter;
// get all the data about the tickets from the user
while (scanf("%d%d", &cur_day, &tickets_number) == 2)
{
if (cur_day < 0 || cur_day >= NUMBER_OF_DAYS)
{
printf("ERROR: invalid date\n");
continue;
}
if (tickets_number < 0)
{
printf("ERROR: invalid number of tickets\n");
continue;
}
days[cur_day] += tickets_number;
}
// find max and min
max = min = 0;
for (counter = 0; counter < NUMBER_OF_DAYS; ++counter)
{
if (days[counter] > days[max]) max = counter;
if (days[counter] < days[min]) min = counter;
}
printf("max day is %d. min day is %d\n\n", max, min);
// make all days array to be between 0-10
for (counter = 0; counter < NUMBER_OF_DAYS; ++counter)
{
days[counter] /= (days[max] / 10); ////למה לא לחלק פשוט ב10?  והקוד בעצם מעביר את כל הימים לסקאלה של ?1-10
}
for (print_counter = 0; print_counter < 10; ++print_counter)
{
for (days_counter = 0; days_counter < NUMBER_OF_DAYS;
++days_counter)
{
if (days[days_counter] >= 10 - print_counter)
putchar("*");
putchar('\t');///מה השורה הזו עושה?
}
putchar('\n');///מה עושה השורה הזו?
}
for (print_counter = 0; print_counter < 10; ++print_counter)
printf("%d\t", print_counter);///  ?אני לא אצטרך לולאה כפולה? של ימים ורייטינג
putchar('\n');
system("PAUSE");///מה השורה הזו עושה?
return 0;
}