Submission #255821

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
255821	2020-08-01T22:40:03 Z	shrek12357	Art Exhibition (JOI18_art)	C++14	100 / 100	899 ms	32596 KB

art

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
using namespace std;

int main(){
	int n;
	cin >> n;
	vector<pair<long long, long long>> art;
	for (int i = 0; i < n; i++) {
		long long a, b;
		cin >> a >> b;
		art.push_back(make_pair(a, b));
	}
	sort(art.begin(), art.end());
	vector<long long> pre(n + 1);
	pre[0] = 0;
	vector<long long> diff(n + 1);
	diff[0] = 0;
	for (int i = 0; i < n; i++) {
		pre[i + 1] = pre[i] + art[i].second;
		diff[i + 1] = pre[i + 1] - art[i].first;
	}
	vector<long long> maxes(n + 1);
	for (int i = n; i > 0; i--) {
		if (i == n) {
			maxes[i] = diff[i];
		}
		else {
			maxes[i] = max(maxes[i + 1], diff[i]);
		}
	}
	maxes[0] = 0;
	long long best = 0;
	for (int i = 1; i <= n; i++) {
		long long cur = art[i - 1].first;
		cur += maxes[i] - pre[i - 1];
		best = max(best, cur);
	}
	cout << best << endl;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	9 ms	640 KB	Output is correct
28	Correct	9 ms	640 KB	Output is correct
29	Correct	9 ms	640 KB	Output is correct
30	Correct	11 ms	640 KB	Output is correct
31	Correct	9 ms	640 KB	Output is correct
32	Correct	9 ms	640 KB	Output is correct
33	Correct	9 ms	640 KB	Output is correct
34	Correct	9 ms	640 KB	Output is correct
35	Correct	9 ms	640 KB	Output is correct
36	Correct	9 ms	640 KB	Output is correct
37	Correct	9 ms	640 KB	Output is correct
38	Correct	9 ms	640 KB	Output is correct
39	Correct	9 ms	640 KB	Output is correct
40	Correct	9 ms	640 KB	Output is correct
41	Correct	9 ms	640 KB	Output is correct
42	Correct	10 ms	640 KB	Output is correct
43	Correct	9 ms	640 KB	Output is correct
44	Correct	8 ms	640 KB	Output is correct
45	Correct	9 ms	640 KB	Output is correct
46	Correct	9 ms	640 KB	Output is correct
47	Correct	9 ms	640 KB	Output is correct
48	Correct	9 ms	640 KB	Output is correct
49	Correct	8 ms	640 KB	Output is correct
50	Correct	9 ms	640 KB	Output is correct
51	Correct	12 ms	640 KB	Output is correct

Subtask #4

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	9 ms	640 KB	Output is correct
28	Correct	9 ms	640 KB	Output is correct
29	Correct	9 ms	640 KB	Output is correct
30	Correct	11 ms	640 KB	Output is correct
31	Correct	9 ms	640 KB	Output is correct
32	Correct	9 ms	640 KB	Output is correct
33	Correct	9 ms	640 KB	Output is correct
34	Correct	9 ms	640 KB	Output is correct
35	Correct	9 ms	640 KB	Output is correct
36	Correct	9 ms	640 KB	Output is correct
37	Correct	9 ms	640 KB	Output is correct
38	Correct	9 ms	640 KB	Output is correct
39	Correct	9 ms	640 KB	Output is correct
40	Correct	9 ms	640 KB	Output is correct
41	Correct	9 ms	640 KB	Output is correct
42	Correct	10 ms	640 KB	Output is correct
43	Correct	9 ms	640 KB	Output is correct
44	Correct	8 ms	640 KB	Output is correct
45	Correct	9 ms	640 KB	Output is correct
46	Correct	9 ms	640 KB	Output is correct
47	Correct	9 ms	640 KB	Output is correct
48	Correct	9 ms	640 KB	Output is correct
49	Correct	8 ms	640 KB	Output is correct
50	Correct	9 ms	640 KB	Output is correct
51	Correct	12 ms	640 KB	Output is correct
52	Correct	841 ms	32564 KB	Output is correct
53	Correct	853 ms	32592 KB	Output is correct
54	Correct	823 ms	32592 KB	Output is correct
55	Correct	852 ms	32584 KB	Output is correct
56	Correct	814 ms	32536 KB	Output is correct
57	Correct	873 ms	32592 KB	Output is correct
58	Correct	849 ms	32592 KB	Output is correct
59	Correct	815 ms	32552 KB	Output is correct
60	Correct	811 ms	32512 KB	Output is correct
61	Correct	817 ms	32508 KB	Output is correct
62	Correct	839 ms	32596 KB	Output is correct
63	Correct	899 ms	32592 KB	Output is correct
64	Correct	873 ms	32592 KB	Output is correct
65	Correct	872 ms	32596 KB	Output is correct
66	Correct	803 ms	32568 KB	Output is correct
67	Correct	843 ms	32580 KB	Output is correct
68	Correct	803 ms	32592 KB	Output is correct