Di kelas besar pada tanggal 3 Maret 2020 saya belajar tentang pushHead dan popHead, berikut adalah contoh kodingannya : #include<stdio.h> #include<stdlib.h> struct data{ int angka; data* next; }*head = NULL, *tail = NULL; void pushHead(int angka){ struct data *curr = (struct data*) malloc(sizeof(struct data)); curr->angka = angka; if(head == NULL){ head = tail = curr; }else{ curr->next = head; head = curr; tail->next = NULL; } } void popHead(){ struct data *curr = (struct data*) malloc(sizeof(struct data)); if(head == NULL){ head = tail = NULL; }else{ curr = head; head = head->next; free(curr); tail->next = NULL; } } void print(){ struct data* curr = head; while(curr!=NULL){ printf("%d\n", curr->angka); curr = curr->next; } } int main(){ pushHead(20); pushHead(18); print(); popHead(); print(); return 0; ...