[C++] Stack Bằng Array

#include <iostream> #include <string.h> #include <math.h> using namespace std; class Stack{ private : int *a; int top; public : Stack(){ top = -1; a = new int[10]; } void push(int element){ if(top >= 10) {cout<<"Stack overlow"; return;} else{ top++; a[top]=element; } } bool isEmpty(){ if(top<0) return true; else return false; } bool isFull(){ if(top==10) return true; else return false; } int pop(){ int temp; if(top<0) {cout<<"Stack underflow"; return NULL;} else{ temp = a[top]; a[top] = NULL; top--; } return temp; } void in(){ for(int i = 0; i <= top;i++){ cout<<a[i]<<" "; } } ~Stack(){} }; main(){ Stack a; a.push(0); a.push(1); a.push(2); a.push(3); a.push(4); a.push(5); a.push(6); a.push(7); a.push(8); a.push(9); a.push(10); a.in(); cout<<"\nxoa cuoi: "<<a.pop()<<endl; a.in(); }