Submission #247411

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
247411	2020-07-11T10:45:22 Z	Berted	Art Exhibition (JOI18_art)	C++14	100 / 100	321 ms	28884 KB

#include <iostream>
#include <algorithm>
#define ll long long
#define pii pair<ll, ll>
#define fst first
#define snd second
using namespace std;

int n; 
pii ar[500001];
ll pref[500001], mx[500001] = {}, res = 0;

int main()
{
	ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++) cin >> ar[i].fst >> ar[i].snd;
	sort(ar, ar + n);
	for (int i = 1; i <= n; i++) 
	{
		pref[i] = pref[i - 1] + ar[i - 1].snd - ar[i - 1].fst + ((i > 1) ? ar[i - 2].fst : 0);
	}
	mx[n] = pref[n];
	for (int i = n - 1; i > 0; i--) {mx[i] = max(mx[i + 1], pref[i]);}
	for (int i = 1; i <= n; i++)
	{
		res = max(res, mx[i] - pref[i] + ar[i - 1].snd);
	}
	cout << res << "\n";
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	392 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	392 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	392 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	632 KB	Output is correct
28	Correct	6 ms	640 KB	Output is correct
29	Correct	7 ms	640 KB	Output is correct
30	Correct	7 ms	640 KB	Output is correct
31	Correct	7 ms	640 KB	Output is correct
32	Correct	7 ms	640 KB	Output is correct
33	Correct	7 ms	640 KB	Output is correct
34	Correct	7 ms	640 KB	Output is correct
35	Correct	6 ms	640 KB	Output is correct
36	Correct	7 ms	640 KB	Output is correct
37	Correct	7 ms	768 KB	Output is correct
38	Correct	6 ms	640 KB	Output is correct
39	Correct	7 ms	632 KB	Output is correct
40	Correct	7 ms	640 KB	Output is correct
41	Correct	9 ms	640 KB	Output is correct
42	Correct	6 ms	640 KB	Output is correct
43	Correct	7 ms	648 KB	Output is correct
44	Correct	7 ms	640 KB	Output is correct
45	Correct	8 ms	640 KB	Output is correct
46	Correct	7 ms	640 KB	Output is correct
47	Correct	7 ms	640 KB	Output is correct
48	Correct	7 ms	640 KB	Output is correct
49	Correct	7 ms	640 KB	Output is correct
50	Correct	7 ms	640 KB	Output is correct
51	Correct	7 ms	640 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	392 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	632 KB	Output is correct
28	Correct	6 ms	640 KB	Output is correct
29	Correct	7 ms	640 KB	Output is correct
30	Correct	7 ms	640 KB	Output is correct
31	Correct	7 ms	640 KB	Output is correct
32	Correct	7 ms	640 KB	Output is correct
33	Correct	7 ms	640 KB	Output is correct
34	Correct	7 ms	640 KB	Output is correct
35	Correct	6 ms	640 KB	Output is correct
36	Correct	7 ms	640 KB	Output is correct
37	Correct	7 ms	768 KB	Output is correct
38	Correct	6 ms	640 KB	Output is correct
39	Correct	7 ms	632 KB	Output is correct
40	Correct	7 ms	640 KB	Output is correct
41	Correct	9 ms	640 KB	Output is correct
42	Correct	6 ms	640 KB	Output is correct
43	Correct	7 ms	648 KB	Output is correct
44	Correct	7 ms	640 KB	Output is correct
45	Correct	8 ms	640 KB	Output is correct
46	Correct	7 ms	640 KB	Output is correct
47	Correct	7 ms	640 KB	Output is correct
48	Correct	7 ms	640 KB	Output is correct
49	Correct	7 ms	640 KB	Output is correct
50	Correct	7 ms	640 KB	Output is correct
51	Correct	7 ms	640 KB	Output is correct
52	Correct	218 ms	28536 KB	Output is correct
53	Correct	229 ms	28664 KB	Output is correct
54	Correct	215 ms	28584 KB	Output is correct
55	Correct	228 ms	28884 KB	Output is correct
56	Correct	223 ms	28664 KB	Output is correct
57	Correct	215 ms	28664 KB	Output is correct
58	Correct	321 ms	28708 KB	Output is correct
59	Correct	229 ms	28640 KB	Output is correct
60	Correct	239 ms	28576 KB	Output is correct
61	Correct	232 ms	28444 KB	Output is correct
62	Correct	214 ms	28664 KB	Output is correct
63	Correct	241 ms	28744 KB	Output is correct
64	Correct	237 ms	28836 KB	Output is correct
65	Correct	262 ms	28768 KB	Output is correct
66	Correct	225 ms	28680 KB	Output is correct
67	Correct	220 ms	28664 KB	Output is correct
68	Correct	226 ms	28668 KB	Output is correct

Submission #247411

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0