Submission #197868

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
197868	2020-01-23T18:50:23 Z	DS007	Art Exhibition (JOI18_art)	C++14	100 / 100	261 ms	28792 KB

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

#define x first
#define y second

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int n;
    cin >> n;

    pair<long long, long long> a[n];
    for (int i = 0; i < n; i++) cin >> a[i].x >> a[i].y;
    sort(a, a + n);

    long long dp1[n], dp2[n];
    fill(dp1, dp1 + n, 0);
    fill(dp2, dp2 + n, 0);

    dp1[0] = a[0].x + a[0].y;
    for (int i = 1; i < n; i++) dp1[i] = max(dp1[i - 1] + a[i].y, a[i].x + a[i].y);

    dp2[n - 1] = a[n - 1].y - a[n - 1].x;
    for (int i = n - 2; i >= 0; i--) dp2[i] = max(dp2[i + 1] + a[i].y, a[i].y - a[i].x);

    long long ans = 0;
    for (int i = 0; i < n; i++) ans = max(ans, a[i].y);
    for (int i = 0; i < n - 1; i++) ans = max(ans, dp1[i] + dp2[i + 1]);
    cout << ans;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	1 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	380 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	1 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	380 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	5 ms	632 KB	Output is correct
28	Correct	4 ms	636 KB	Output is correct
29	Correct	5 ms	632 KB	Output is correct
30	Correct	5 ms	632 KB	Output is correct
31	Correct	5 ms	632 KB	Output is correct
32	Correct	5 ms	632 KB	Output is correct
33	Correct	4 ms	632 KB	Output is correct
34	Correct	5 ms	632 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	5 ms	636 KB	Output is correct
37	Correct	5 ms	632 KB	Output is correct
38	Correct	5 ms	632 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	5 ms	632 KB	Output is correct
41	Correct	4 ms	632 KB	Output is correct
42	Correct	5 ms	632 KB	Output is correct
43	Correct	5 ms	632 KB	Output is correct
44	Correct	5 ms	632 KB	Output is correct
45	Correct	5 ms	632 KB	Output is correct
46	Correct	5 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	632 KB	Output is correct
49	Correct	5 ms	632 KB	Output is correct
50	Correct	4 ms	632 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	1 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	380 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	5 ms	632 KB	Output is correct
28	Correct	4 ms	636 KB	Output is correct
29	Correct	5 ms	632 KB	Output is correct
30	Correct	5 ms	632 KB	Output is correct
31	Correct	5 ms	632 KB	Output is correct
32	Correct	5 ms	632 KB	Output is correct
33	Correct	4 ms	632 KB	Output is correct
34	Correct	5 ms	632 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	5 ms	636 KB	Output is correct
37	Correct	5 ms	632 KB	Output is correct
38	Correct	5 ms	632 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	5 ms	632 KB	Output is correct
41	Correct	4 ms	632 KB	Output is correct
42	Correct	5 ms	632 KB	Output is correct
43	Correct	5 ms	632 KB	Output is correct
44	Correct	5 ms	632 KB	Output is correct
45	Correct	5 ms	632 KB	Output is correct
46	Correct	5 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	632 KB	Output is correct
49	Correct	5 ms	632 KB	Output is correct
50	Correct	4 ms	632 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct
52	Correct	258 ms	28664 KB	Output is correct
53	Correct	259 ms	28664 KB	Output is correct
54	Correct	260 ms	28552 KB	Output is correct
55	Correct	261 ms	28664 KB	Output is correct
56	Correct	260 ms	28656 KB	Output is correct
57	Correct	260 ms	28664 KB	Output is correct
58	Correct	259 ms	28676 KB	Output is correct
59	Correct	259 ms	28576 KB	Output is correct
60	Correct	260 ms	28792 KB	Output is correct
61	Correct	259 ms	28520 KB	Output is correct
62	Correct	261 ms	28664 KB	Output is correct
63	Correct	258 ms	28664 KB	Output is correct
64	Correct	258 ms	28664 KB	Output is correct
65	Correct	259 ms	28664 KB	Output is correct
66	Correct	259 ms	28644 KB	Output is correct
67	Correct	258 ms	28664 KB	Output is correct
68	Correct	259 ms	28664 KB	Output is correct

Submission #197868

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