[백준] 10773 제로 Python C++

n = int(input())
result = []
for i in range(n):
    inputs = int(input())
    if inputs == 0:
        result.pop()
    else:
        result.append(inputs)
print(sum(result))

 

 

#include <iostream>
#include <string>
#include <algorithm>
#include <stack>
#include <queue>
#include <list>
#include <array>
#include <vector>
#include <map>
#include <cmath>
 
using namespace std;
    
int main(){
 
    int n;
    cin >> n;
    stack <int> si;
    int temp;
    
    for (int i = 0; i < n; i++){
        
        cin >> temp;
        if (temp == 0)
            si.pop();
        else
            si.push(temp);
    }
    
    int si_size = si.size();
    temp = 0;
    
    for (int i = 0; i < si_size; i++){
        temp += si.top();
        si.pop();
    }
 
    cout << temp << '\n';
    
    return 0;
}