제출 #1321777

#제출 시각아이디문제언어결과실행 시간메모리
1321777cavid_07Art Exhibition (JOI18_art)C++20
10 / 100
4 ms440 KiB
#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);

    int n;
    cin >> n;
    vector<ll> a(n), b(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
    }
    ll ans = 0;
    for (int mask = 0; mask < (1 << n); mask++) {
        ll mx = -1e18, mn = 1e18, sum = 0, d = 0;
        for (int i = 0; i < n; i++) {
            if (mask & (1 << i)) {
                d = 1;
                sum += b[i];
                mn = min(mn, a[i]);
                mx = max(mx, a[i]);
            }
        }
        if (d)
            ans = max(ans, sum - (mx - mn));
    }
    cout << ans << '\n';
}
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