Submission #46280

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
46280	2018-04-18T17:27:49 Z	fredbr	Art Exhibition (JOI18_art)	C++17	100 / 100	280 ms	226840 KB

#include <bits/stdc++.h>

#define ff first
#define ss second

using namespace std;

typedef long long ll;
typedef pair<ll, ll> ii;

const int maxn = 500010;
const ll inf = 0x3f3f3f3f3f3f3f3f;

ll p[maxn];
ii v[maxn];

ll a[maxn];
ll b[maxn];

ll s[maxn];

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n;
	cin >> n;

	for (int i = 1; i <= n; i++) cin >> v[i].ff >> v[i].ss;

	sort(v+1, v+1+n);

	for (int i = 1; i <= n; i++) p[i] = p[i-1] + v[i].ss;

	for (int i = 1; i <= n; i++) a[i] = -p[i-1] + v[i].ff;

	for (int i = 1; i <= n; i++) b[i] = p[i]-v[i].ff;

	s[n+1] = -inf;
	for (int i = n; i >= 1; i--) s[i] = max(s[i+1], b[i]);

	ll ans = -inf;

	for (int i = 1; i <= n; i++) ans = max(ans, a[i]+s[i]);

	cout << ans << "\n";
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	548 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	548 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	548 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	9 ms	892 KB	Output is correct
28	Correct	4 ms	892 KB	Output is correct
29	Correct	4 ms	892 KB	Output is correct
30	Correct	4 ms	892 KB	Output is correct
31	Correct	4 ms	892 KB	Output is correct
32	Correct	4 ms	896 KB	Output is correct
33	Correct	4 ms	896 KB	Output is correct
34	Correct	4 ms	896 KB	Output is correct
35	Correct	4 ms	896 KB	Output is correct
36	Correct	4 ms	896 KB	Output is correct
37	Correct	4 ms	896 KB	Output is correct
38	Correct	4 ms	896 KB	Output is correct
39	Correct	4 ms	896 KB	Output is correct
40	Correct	4 ms	896 KB	Output is correct
41	Correct	4 ms	896 KB	Output is correct
42	Correct	6 ms	896 KB	Output is correct
43	Correct	6 ms	896 KB	Output is correct
44	Correct	4 ms	896 KB	Output is correct
45	Correct	4 ms	896 KB	Output is correct
46	Correct	4 ms	896 KB	Output is correct
47	Correct	4 ms	896 KB	Output is correct
48	Correct	4 ms	896 KB	Output is correct
49	Correct	4 ms	896 KB	Output is correct
50	Correct	4 ms	896 KB	Output is correct
51	Correct	4 ms	896 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	548 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	2 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	2 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	9 ms	892 KB	Output is correct
28	Correct	4 ms	892 KB	Output is correct
29	Correct	4 ms	892 KB	Output is correct
30	Correct	4 ms	892 KB	Output is correct
31	Correct	4 ms	892 KB	Output is correct
32	Correct	4 ms	896 KB	Output is correct
33	Correct	4 ms	896 KB	Output is correct
34	Correct	4 ms	896 KB	Output is correct
35	Correct	4 ms	896 KB	Output is correct
36	Correct	4 ms	896 KB	Output is correct
37	Correct	4 ms	896 KB	Output is correct
38	Correct	4 ms	896 KB	Output is correct
39	Correct	4 ms	896 KB	Output is correct
40	Correct	4 ms	896 KB	Output is correct
41	Correct	4 ms	896 KB	Output is correct
42	Correct	6 ms	896 KB	Output is correct
43	Correct	6 ms	896 KB	Output is correct
44	Correct	4 ms	896 KB	Output is correct
45	Correct	4 ms	896 KB	Output is correct
46	Correct	4 ms	896 KB	Output is correct
47	Correct	4 ms	896 KB	Output is correct
48	Correct	4 ms	896 KB	Output is correct
49	Correct	4 ms	896 KB	Output is correct
50	Correct	4 ms	896 KB	Output is correct
51	Correct	4 ms	896 KB	Output is correct
52	Correct	240 ms	24176 KB	Output is correct
53	Correct	250 ms	36904 KB	Output is correct
54	Correct	280 ms	49512 KB	Output is correct
55	Correct	257 ms	62288 KB	Output is correct
56	Correct	253 ms	75120 KB	Output is correct
57	Correct	264 ms	87516 KB	Output is correct
58	Correct	261 ms	100320 KB	Output is correct
59	Correct	246 ms	112868 KB	Output is correct
60	Correct	257 ms	125652 KB	Output is correct
61	Correct	264 ms	138208 KB	Output is correct
62	Correct	245 ms	150792 KB	Output is correct
63	Correct	252 ms	163484 KB	Output is correct
64	Correct	245 ms	176168 KB	Output is correct
65	Correct	247 ms	188764 KB	Output is correct
66	Correct	246 ms	201420 KB	Output is correct
67	Correct	263 ms	214224 KB	Output is correct
68	Correct	273 ms	226840 KB	Output is correct

Submission #46280

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