Stack_implementation_using_array

#include<bits/stdc++.h>
using namespace std;

class stack_using_array {
	int *data, nextindex , capicity;          // This is private data
public:
	stack_using_array(int totalsize) {       //Constructor call for intitilize
		data = new int [totalsize];
		nextindex = 0;
		capicity = totalsize;
	}

	int size() {
		return nextindex;                    // For check Size
	}


	bool isempty() {
		if (nextindex == 0) {
			return true;                         // For size is empty or not
		} else {
			return false;
		}
	}


	void push(int element) {
		if (nextindex == capicity) {
			return;                              // for push element in a stack
		} else {
			data[nextindex++] = element;
		}
	}

	int pop() {
		if (!isempty()) {
			cout << "stack is empty" << endl;       // Pop element from stack
			return 0;
		}
		nextindex--;
		return nextindex;
	}


	int top() {
		if (!isempty()) {
			cout << "stack is empty" << endl;      // excess top element in stack
			 return 0;
		}
		return (nextindex - 1);

	}

};
int main() {
	int n;                                    // main function in satck
	cin >> n;
	stack_using_array s(n);

    s.push(10);
    s.push(10);
	s.push(10);
	s.push(10);
	s.push(10);

	cout << s.top() << endl;

}