Submission #707030

#	Time	Username	Problem	Language	Result	Execution time	Memory
707030		Dan4Life	Art Exhibition (JOI18_art)	C++17	100 / 100	165 ms	8304 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mxN = (int)5e5+10;
int n, m, a[mxN];
pair<int,int> v[mxN];

int32_t main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n; int ans = 0;
	for(int i = 0; i < n; i++) 
		cin >> v[i].fi >> v[i].se, ans = max(ans, v[i].se);
	sort(v,v+n); int sum = 0, mx = 0;
	for(int i = 0; i < n; i++){
		sum+=v[i].se;
		ans = max(ans, sum-v[i].fi+mx);
		mx = max(mx,v[i].se+v[i].fi-sum);
	}
	cout << ans;
}

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