Submission #162275

#	Time	Username	Problem	Language	Result	Execution time	Memory
162275		kostia244	Art Exhibition (JOI18_art)	C++14	100 / 100	267 ms	20856 KiB

art

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pi = pair<ll, ll>;
using vi = vector<int>;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	ll n, ans =0, mn = -1e18, sm = 0;
	cin >> n;
	vector<pi> a;
	a.resize(n);
	for(auto &i : a) cin >> i.first >> i.second;
	sort(all(a));
	for(int i = 0; i < n; i++) {
		mn = max(mn, -sm+a[i].first);
		sm += a[i].second;
		ans = max(ans, sm-a[i].first+mn);
	}
	cout << ans;
	return 0;
}

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