Submission #93777

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
93777	2019-01-11T05:23:09 Z	silxikys	Art Exhibition (JOI18_art)	C++14	100 / 100	214 ms	20984 KB

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

const int maxn = 5e5+5;
int N;
pair<ll,ll> a[maxn];

ll f(int l, int r) {
	if (l > r) return 0;
	if (l == r) {
		return a[l].second;
	}	
	int m = (l+r)/2;
	//get max of arrays that go thru mid
	ll lmax = 0, lcurr = 0;
	for (int i = m; i >= l; i--) {
		lcurr += a[i].second;
		lmax = max(lmax,lcurr-(a[m].first-a[i].first));
	}
	ll rmax = 0, rcurr = 0;
	for (int i = m + 1; i <= r; i++) {
		rcurr += a[i].second;
		rmax = max(rmax,rcurr-(a[i].first-a[m].first));
	}
	return max(lmax+rmax,max(f(l,m),f(m+1,r)));
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    cin >> N;
    for (int i = 0; i < N; i++) {
    	cin >> a[i].first >> a[i].second;
    }
    sort(a,a+N);
    ll ans = f(0,N-1);
    cout << ans << '\n';

    return 0;
}

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	376 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	2 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	376 KB	Output is correct
2	Correct	2 ms	376 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	2 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	2 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	376 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	2 ms	376 KB	Output is correct
25	Correct	2 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	376 KB	Output is correct
2	Correct	2 ms	376 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	2 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	2 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	376 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	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	508 KB	Output is correct
28	Correct	4 ms	508 KB	Output is correct
29	Correct	4 ms	504 KB	Output is correct
30	Correct	3 ms	504 KB	Output is correct
31	Correct	4 ms	504 KB	Output is correct
32	Correct	4 ms	508 KB	Output is correct
33	Correct	4 ms	504 KB	Output is correct
34	Correct	4 ms	632 KB	Output is correct
35	Correct	4 ms	504 KB	Output is correct
36	Correct	4 ms	504 KB	Output is correct
37	Correct	4 ms	508 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	5 ms	504 KB	Output is correct
40	Correct	4 ms	504 KB	Output is correct
41	Correct	4 ms	508 KB	Output is correct
42	Correct	3 ms	504 KB	Output is correct
43	Correct	4 ms	632 KB	Output is correct
44	Correct	3 ms	504 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	4 ms	504 KB	Output is correct
47	Correct	4 ms	504 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	508 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	376 KB	Output is correct
2	Correct	2 ms	376 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	2 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	2 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	376 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	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	508 KB	Output is correct
28	Correct	4 ms	508 KB	Output is correct
29	Correct	4 ms	504 KB	Output is correct
30	Correct	3 ms	504 KB	Output is correct
31	Correct	4 ms	504 KB	Output is correct
32	Correct	4 ms	508 KB	Output is correct
33	Correct	4 ms	504 KB	Output is correct
34	Correct	4 ms	632 KB	Output is correct
35	Correct	4 ms	504 KB	Output is correct
36	Correct	4 ms	504 KB	Output is correct
37	Correct	4 ms	508 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	5 ms	504 KB	Output is correct
40	Correct	4 ms	504 KB	Output is correct
41	Correct	4 ms	508 KB	Output is correct
42	Correct	3 ms	504 KB	Output is correct
43	Correct	4 ms	632 KB	Output is correct
44	Correct	3 ms	504 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	4 ms	504 KB	Output is correct
47	Correct	4 ms	504 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	508 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct
52	Correct	209 ms	20896 KB	Output is correct
53	Correct	202 ms	20856 KB	Output is correct
54	Correct	214 ms	20856 KB	Output is correct
55	Correct	206 ms	20792 KB	Output is correct
56	Correct	199 ms	20856 KB	Output is correct
57	Correct	206 ms	20884 KB	Output is correct
58	Correct	207 ms	20984 KB	Output is correct
59	Correct	206 ms	20856 KB	Output is correct
60	Correct	205 ms	20888 KB	Output is correct
61	Correct	207 ms	20728 KB	Output is correct
62	Correct	205 ms	20916 KB	Output is correct
63	Correct	205 ms	20760 KB	Output is correct
64	Correct	199 ms	20804 KB	Output is correct
65	Correct	202 ms	20932 KB	Output is correct
66	Correct	205 ms	20728 KB	Output is correct
67	Correct	205 ms	20728 KB	Output is correct
68	Correct	210 ms	20836 KB	Output is correct

Submission #93777

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