C++ 알고리즘 - 백준 10773 제로

https://www.acmicpc.net/problem/10773

 

#include <iostream>
#include <vector>
#define endl "\n"

using namespace std;

int main(void) {
	// C++ Init
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	int input;
	int num;
	int sum = 0;
	vector<int> v;
	cin >> input;

	for (int i = 0; i < input; i++) {
		cin >> num;

		if (num == 0)
			v.pop_back();

		else
			v.push_back(num);
	}

	for (int i = 0; i < v.size(); i++) {
		sum += v[i];
	}

	cout << sum << endl;
}