7.11 std::vector를 스택처럼 사용하기

#include <iostream>
#include <array>
#include <vector>

using namespace std;


int main(){

    std::vector<int> v{1,2,3};

    v.resize(2);

    for (auto &e : v)
        cout << e << " ";
    cout << "\n";

    cout << v.size() << " "<< v.capacity() <<"\n"; // 2,3

    cout << v[2] <<"\n";

    int *ptr = v.data();

    cout << ptr[2] << "\n";
    return 0;
}

void printStack(const std::vector<int> &stack){
    for (auto &e : stack)
    	cout << e << " ";
    cout << endl;
}

int main(){
	std::vector<int> stack;
	stack.push_back(3);
	printStack(stack);
	stack.push_back(5);
	printStack(stack);
	stack.push_back(7);
	printStack(stack);
	stack.pop_back();
	printStack(stack);
}