belajar stack

stack1.cpp

#include <stdio.h>
int S[10], top;
void awal();
void push();
void pop();
void tampil();
void main()
{
	int pil, kondisi=1;
	awal();
	while (kondisi) {
		printf("\n1. Push");
		printf("\n2. Pop");
		printf("\n3. Tampil");
		printf("\n4. Reset");
		printf("\n5. Keluar");

		printf("\nMasukkan pilihan (1-5) : ");
		scanf("%i", &pil);

		switch(pil) {
			case 1 : push(); break;
			case 2 : pop(); break;
			case 3 : tampil(); break;
			case 4 : awal(); break;
			case 5 : kondisi=0; break;
		}
	}
}
void awal()
{
	top = -1;
}
void push()
{	int X;
	printf("\nMasukkan X = ");
	scanf("%i", &X);
	if (top < 9) {
		top++;
		S[top] = X;
	} else {
		printf("\nSTACK PENUH");
	}
}
void pop()
{  int X;
	if (top > -1) {
		X = S[top];
		S[top] = 0;
		top--;
		printf("\nNilai %i sudah di-pop",X);
	} else {
		printf("\nSTACK KOSONG");
	}
}
void tampil()
{  int i;
	for (i=0; i<10; i++) {
		printf("%3i", S[i]);
	}
}