Informatics3-2024/Linked

#include<iostream>
 
using namespace std;
 
struct list_e {
  int num;
  struct list_e *next;
};
 
void append(struct list_e **start, int n) {
  struct list_e *e = new struct list_e;
  e->num = n;
  e->next = NULL;
  if (*start == NULL) {
    *start = e;
  } else {
    struct list_e *p = NULL;
    for(p = *start; p->next != NULL; p = p->next){}
    p->next = e;
  }
}
 
int main(void) {
  struct list_e *start = NULL;
  append(&start, 1);
  append(&start, 5);
  append(&start, -2);
  append(&start, 15);
  for(struct list_e *e = start; e != NULL; e = e->next) {
    cout << e->num << endl;
  }
  return 0;
}