Submission #1234629

#	Time	Username	Problem	Language	Result	Execution time	Memory
1234629		rhm_gan	Art Exhibition (JOI18_art)	C++20	100 / 100	112 ms	15952 KiB

art

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

#ifdef LOCAL
#include "debug.h"
#else
#define dbg(...) 42
#endif

struct SegmentTree {
    
};

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<array<int64_t, 2>> v(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i][0] >> v[i][1];
    }
    sort(v.begin(), v.end());

    vector<int64_t> a(n), b(n);
    for (int i = 0; i < n; i++) {
        a[i] = v[i][0];
        b[i] = v[i][1];
    }

    int64_t res = 0, sum = 0, mx = 0;
    for (int i = 0; i < n; i++) {
        sum += b[i];
        mx = min(mx, sum - a[i] - b[i]);
        res = max(res, sum - mx - a[i]);
    }

    cout << res << '\n';

    return 0;
}

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