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#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
void help(void);
int calculator(int argc, char **argv);
int error_handling(int stars, int days);
void premium_mode(int stars, int days);
int calculator_mode(int stars, int days);
int main (int argc, char **argv)
{
char const *help_str = "-h";
if (argc == 2 && strcmp (help_str, argv[1]) == 0) {
help ();
return (0);
}
else if (argc == 1) {
write (2, "You must add arguments\n", 24);
exit (84);
}
else {
calculator (argc, argv);
}
}
void help(void)
{
write (1,
"USAGE Click on run -> Add the arguments in the text box below\n\n",
73);
write (1,
"Arguments = [Number of Stars] [Number of days left before the challenge ends] [-p]\n\n",
84);
write (1,
"The -p option is the premium simulation, to enable this mode, just add `-p` at the end of the arguments\n",
105);
}
int calculator(int argc, char **argv)
{
if ((argc != 3) && (argc != 4)) {
printf ("Invalid arguments\n");
exit (84);
}
int stars = atoi (argv[1]);
int days = atoi (argv[2]);
char const *premium = "-p";
error_handling (stars, days);
if (argc == 4 && strcmp (premium, argv[3]) == 0) {
premium_mode (stars, days);
return (0);
}
calculator_mode (stars, days);
}
int error_handling(int stars, int days)
{
if (stars >= 3000) {
printf ("You have finished the challenge\n");
exit (84);
}
if (stars < 0) {
printf ("Invalid Number of stars\n");
exit (84);
}
if (days < 0 || days > 15) {
printf ("Invalid number of days\n");
exit (84);
}
}
void premium_mode(int stars, int days)
{
float percentage = stars;
float step1 = (percentage / 3000) * 100;
stars = 3000 - stars;
double stars_to_do = stars;
double days_to_do = days;
double result = stars_to_do / days_to_do;
printf ("Percentage achieved: %.2f%\n", step1);
printf ("Number of days left: %d\n", days);
printf ("Number of stars left: %d\n", stars);
printf ("Stars to do per day: %.0f\n", result);
printf ("With premium mode: From 2 to 6 stars available per battle\n");
}
int calculator_mode(int stars, int days)
{
float percentage = stars;
float step1 = (percentage / 3000) * 100;
stars = 3000 - stars;
double stars_to_do = stars;
double days_to_do = days;
double result = stars_to_do / days_to_do;
printf ("Percentage achieved: %.2f%\n", step1);
printf ("Number of days left: %d\n", days);
printf ("Number of stars left: %d\n", stars);
printf ("Stars to do per day: %.0f\n", result);
printf ("Without premium mode: From 1 to 3 stars available per battle\n");
}
Compiling Program...
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