Submission

[PPP][PTSSSS][xS]

Score: 30

User: Dormon

Problemset: ช่างไฟ

Language: cpp

Time: 1.095 second

Submitted On: 2024-12-11 21:37:58

#include <iostream>
#include <cstring>
#include <vector>
#include <algorithm>
#include <functional>
#include <queue>
#include <numeric>
#include <set>

#define debug(...) Debug(#__VA_ARGS__, __VA_ARGS__)
using namespace std;
const bool TEST_CASE = 0;

template<typename T>
typename std::enable_if<std::is_integral<T>::value>::type
Debug(const char* name, T value) {
    std::cout << name << " : " << value << '\n';
}

template<typename T> ostream& operator<<(ostream& out, vector<T>& a) {
    for(auto &x : a) out << x << ' '; 
    return out;
};
template<typename T, typename... Args>
typename std::enable_if<std::is_integral<T>::value>::type
Debug(const char* names, T value, Args... args) {
    const char* comma = strchr(names, ',');
    std::cout.write(names, comma - names) << " : " << value << " | ";
    Debug(comma + 1, args...);
}

void solve(){
    int n;
    cin >> n;
    set<int64_t> s;
    s.insert(0ll);

    for (int i = 0;i < n;i++){
        int64_t a;
        cin >> a;
        set<int64_t> nx;
        for (auto e:s){
            nx.insert(e + a);
            nx.insert(abs(e + a));
        }
        s = nx;
    }
    cout << *(--s.end()) << '\n';
}

int main()
{
    #ifndef DORMON
        ios_base::sync_with_stdio(0); 
    #endif
    cin.tie(0);
    int q = 1; 
    if (TEST_CASE) cin >> q;
    while (q--){
        solve();
    }
}