Submission #888132

#	Time	Username	Problem	Language	Result	Execution time	Memory
888132		oblantis	Art Exhibition (JOI18_art)	C++17	100 / 100	134 ms	20740 KiB

art

#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<double, int> pdi;
const ll inf = 1e15 + 10000;
const int mod = 1e9+7;
const int maxn = 5e5 + 12;
void solve() {
	int n;
	cin >> n;
	pll a[n];
	ll ans = 0, s = 0, t = inf;
	for(int i = 0; i < n; i++) {
		cin >> a[i].ff >> a[i].ss;
	}
	sort(a, a + n);
	for(int i = 0; i < n; i++) {
		t = min(t, s - a[i].ff);
		s += a[i].ss;
		ans = max(ans, s - a[i].ff - t);
	}
	cout << ans;
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int times = 1;
	//cin >> times;
	for(int i = 1; i <= times; i++) {
		solve();
	}
	return 0;
}

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