Submission #365848

#	Time	Username	Problem	Language	Result	Execution time	Memory
365848		_zheksenov	Art Exhibition (JOI18_art)	C++14	100 / 100	636 ms	21072 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define f first 
#define s second

typedef long long ll;

const int N = 5e5 + 5;

pair<ll, ll> a[N];

signed main() {
    int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i].f >> a[i].s;
	}
	sort(a, a + n);
	ll x = a[0].f, y = a[0].s;
	for (int i = 1; i < n; i++) {
		a[i].s += a[i - 1].s;
		x = max(x, a[i].f - a[i - 1].s);
		y = max(y, a[i].s - a[i].f + x);
	}
	cout << y << "\n";
    return 0;
}

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