Submission #867899

#	Time	Username	Problem	Language	Result	Execution time	Memory
867899		iskhakkutbilim	Art Exhibition (JOI18_art)	C++17	100 / 100	146 ms	21204 KiB

art

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()




main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	int n; cin >> n;
	int ans = 0;
	vector< pair<int, int> > a(n);
	for(int i = 0;i < n; i++) cin >> a[i].ff >> a[i].ss;
	sort(all(a));
	int cursum = 0, pref = -a[0].ff;
	
	for(int i = 0;i < n; i++){
		cursum+= a[i].ss;
		ans = max(ans, cursum - pref - a[i].ff);
		pref = min(pref, cursum - (i + 1 >= n ? INT_MAX : a[i+1].ff));
	}
	cout << ans;
	return 0;
}

Compilation message (stderr)

art.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main(){
      | ^~~~

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