Submission #916508

#	Time	Username	Problem	Language	Result	Execution time	Memory
916508		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	146 ms	20920 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define pb push_back
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mll map<ll, ll>
#define fi first
#define se second

ll n, t, ans, sum;

int main() {
	fastio;
	cin >> n;
	vector<pll> v(n);
	for (auto &u : v) {
		cin >> u.fi >> u.se;
	}
	sort(v.begin(), v.end());
	for (int i = 0; i < n; i++) {
		if(i != 0) {
			sum = max(sum - abs(v[i].fi - v[i-1].fi), 0LL);
		}
		sum += v[i].se;
		ans = max(ans, sum);
	}
	cout << ans << endl;
}

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