Submission

[PP][P][P][P][P]

Score: 100

User: Dormon

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.002 second

Submitted On: 2024-11-30 11:12:45

#include <iostream>
#include <cstring>
#include <vector>
#include <algorithm>
#include <functional>

#define debug(...) Debug(#__VA_ARGS__, __VA_ARGS__)
using namespace std;

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, 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;
    int ans = 0, sum = 0;
    vector<int> v(n);
    for (auto &e:v)
        cin >> e;
    sort(v.begin(), v.end());
    for (auto e:v){
        sum += e;
        ans += sum<<1;
    }
    cout << ans << '\n';
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int q = 1; 
    //cin >> q;
    while (q--){
        solve();
    }
}