Zero para cancelar

Solution by TheRealFertos — 100 pts

Code / Notes

// Source: https://usaco.guide/general/io

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

int main() {
    int num;
    cin >> num;
    vector <int> sum;
    for (int i=0; i<num; i++) {
        int a;
        cin >> a;
        if (a==0) {
            sum.pop_back();
        }
        else {
            sum.push_back(a);
        }
    }
    int summ=0;
    for (int i=0; i<sum.size();i++) {
        summ+=sum[i];
    }
    cout << summ;
}

Last updated 2 weeks, 3 days ago

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