#include <iostream>
#define maks 5
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;
class Queue{
friend ostream&operator<<(ostream&,const Queue&);
public:
Queue();
int penuh(int);
int kosong (int);
void cetak();
void enqueue(char x);
char dequeue();
private:
char A[maks];
int banyak;
};
ostream&operator<<(ostream&out,const Queue& s){
cout<<"\nIsi Queue :";
for(int i=0;i<s.banyak;i++)
out<<s.A[i]<<" ";
}
Queue::Queue(){
banyak=0;
for(int i=0;i<maks;i++)
A[i]='0';
}
int Queue::penuh(int s){
return s==maks ? 1:0;
}
int Queue::kosong(int s){
return s==0?1:0;
}
void Queue::cetak(){
cout<<"\nIsi Queue: ";
for(int i=0;i<banyak;i++)
cout<<A[i]<<" ";
}
void Queue::enqueue(char x){
cout<<"\n element: "<<x<<" masuk antrian";
if(penuh(banyak))cout<<"queue penuh";
else if(A[0]=='0'){
A[0]=x;
banyak++;
}
else {
for (int i=banyak;i>=0;i--)
A[i+1]=A[i];
A[0]=x;
banyak++;
}
}
char Queue::dequeue(){
char temp=A[--banyak];
cout<<"\nDequeue elemen-->"<<temp;
A[banyak]='0';
return temp;
}
int main() {
Queue q;
for (char c='a';c<'d';c++){
q.enqueue(c);
cout<<q;
}
char p =q.dequeue();
q.cetak();
cout<<"\n\nCetak paakai overloading: "<<q;
return 0;
}
