#include <stdio.h> #include <stdlib.h> #include <windows.h> #define MAX_WIN 20 #define MAX_STAY 100 typedef struct customer *link;
struct customer {
int stay;
link next;
}
;
link GUY(int stay, link next) {
link c = malloc(sizeof *c);
c->stay = stay;
c->next = next;
return c;
}
link win[MAX_WIN];
void morning() {
int i;
for(i = 0;
i < MAX_WIN;
i++) {
win[i] = NULL;
}
}
void come(int w, int stay) {
if(win[w] == NULL) {
win[w] = GUY(stay, NULL);
win[w]->next = win[w];
}
else win[w] = win[w]->next = GUY(stay, win[w]->next);
}
void leave(int w) {
if(win[w]->next == win[w]) {
free(win[w]);
win[w] = NULL;
}
else {
link t = win[w]->next;
win[w]->next = t->next;
free(t);
}
}
void guys() {
int i;
link t;
system("clear");
for(i = 0;
i < MAX_WIN;
i++, puts(" ")) {
printf("WIN%3d:_", i);
if((t = win[i]) == NULL) continue;
for(;
t->next != win[i];
t = t->next) {
printf("%4d", t->next->stay);
}
}
Sleep(1);
}
void later() {
int i;
for(guys(), i = 0;
i < MAX_WIN;
i++) {
if(win[i] == NULL) continue;
if(win[i]->next->stay > 0) (win[i]->next->stay)--;
else leave(i);
}
}
int main() {
srand(time(NULL));
for(morning;
;
later()) {
come(rand()%MAX_WIN, rand()%MAX_STAY+1);
}
return 0;
}