Submission #1158590

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158590		Hakuna	Art Exhibition (JOI18_art)	C++20	0 / 100	4 ms	400 KiB

art

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

int n;
pair<long long, long long> p[(int)5e5 + 10];
long long pref[(int) 5e5 + 10];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> p[i].first >> p[i].second;
    }
    sort(p + 1, p + n + 1);
    
    long long ans = 0;
    for (int mask = 0; mask < (1 << n); mask++) {
        if (!__builtin_popcount(mask)) continue;
        
        long long mx = 0, mn = LLONG_MAX, sum = 0;
        for (int i = 0; i < n; i++) {
            if ((mask >> i) & 1) {
                mx = max(mx, p[i].first);
                mn = min(mn, p[i].first);
                sum += p[i].second;
            }
        }
        
        ans = max(ans, sum - mx + mn);
    }
    cout << ans;

    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50