Submission #706895

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
706895	2023-03-08T05:14:33 Z	ld_minh4354	Bigger segments (IZhO19_segments)	C++17	100 / 100	90 ms	22312 KB

segments

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

#define fi first
#define se second
#define pb push_back
#define debug(x) cout<<#x<<": "<<x<<"\n"

signed main()
{
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//	freopen("input.000","r",stdin);
//	freopen("output.000","w",stdout);
//	srand((unsigned)time(NULL));
//	rand()
	
	int n,i,a[500005],opt;
	long long pre[500005];
	pair<int,long long> dp[500005];
	priority_queue<pair<long long,int>> q;
	
	cin>>n;
	
	for (i=1;i<n+1;i++) cin>>a[i];
	pre[1]=a[1];
	for (i=2;i<n+1;i++) pre[i]=pre[i-1]+a[i];
	
	q.push({-1e18,0});
	dp[1]={1,-a[1]};
	q.push({-a[1]-pre[1], 1});
	opt=0;
	for (i=2;i<n+1;i++)
	{
		dp[i]={1,-pre[i]};
		
		while (abs(q.top().fi)<=pre[i])
		{
			opt=max(q.top().se, opt);
			q.pop();
		}
		
		if (opt!=0) dp[i]=max(dp[i], {dp[opt].fi+1, -pre[i]+pre[opt]});
		
		q.push({dp[i].se-pre[i], i});
	}
	
//	for (i=1;i<n+1;i++) cout<<dp[i].fi<<" "<<dp[i].se<<"\n";
	cout<<dp[n].fi;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	13976 KB	Output is correct
2	Correct	7 ms	13908 KB	Output is correct
3	Correct	9 ms	13900 KB	Output is correct
4	Correct	7 ms	13908 KB	Output is correct
5	Correct	7 ms	13908 KB	Output is correct
6	Correct	7 ms	14012 KB	Output is correct
7	Correct	8 ms	13908 KB	Output is correct
8	Correct	7 ms	13908 KB	Output is correct
9	Correct	7 ms	13908 KB	Output is correct
10	Correct	7 ms	13908 KB	Output is correct
11	Correct	6 ms	14004 KB	Output is correct
12	Correct	6 ms	13908 KB	Output is correct
13	Correct	6 ms	13908 KB	Output is correct
14	Correct	8 ms	13908 KB	Output is correct
15	Correct	7 ms	13908 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	13976 KB	Output is correct
2	Correct	7 ms	13908 KB	Output is correct
3	Correct	9 ms	13900 KB	Output is correct
4	Correct	7 ms	13908 KB	Output is correct
5	Correct	7 ms	13908 KB	Output is correct
6	Correct	7 ms	14012 KB	Output is correct
7	Correct	8 ms	13908 KB	Output is correct
8	Correct	7 ms	13908 KB	Output is correct
9	Correct	7 ms	13908 KB	Output is correct
10	Correct	7 ms	13908 KB	Output is correct
11	Correct	6 ms	14004 KB	Output is correct
12	Correct	6 ms	13908 KB	Output is correct
13	Correct	6 ms	13908 KB	Output is correct
14	Correct	8 ms	13908 KB	Output is correct
15	Correct	7 ms	13908 KB	Output is correct
16	Correct	7 ms	14016 KB	Output is correct
17	Correct	7 ms	13908 KB	Output is correct
18	Correct	7 ms	13884 KB	Output is correct
19	Correct	7 ms	13908 KB	Output is correct
20	Correct	6 ms	13908 KB	Output is correct
21	Correct	7 ms	14012 KB	Output is correct
22	Correct	7 ms	13908 KB	Output is correct
23	Correct	7 ms	13908 KB	Output is correct
24	Correct	7 ms	13908 KB	Output is correct
25	Correct	7 ms	13936 KB	Output is correct
26	Correct	7 ms	13908 KB	Output is correct
27	Correct	7 ms	13908 KB	Output is correct
28	Correct	7 ms	13908 KB	Output is correct
29	Correct	7 ms	13908 KB	Output is correct
30	Correct	7 ms	13908 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	13976 KB	Output is correct
2	Correct	7 ms	13908 KB	Output is correct
3	Correct	9 ms	13900 KB	Output is correct
4	Correct	7 ms	13908 KB	Output is correct
5	Correct	7 ms	13908 KB	Output is correct
6	Correct	7 ms	14012 KB	Output is correct
7	Correct	8 ms	13908 KB	Output is correct
8	Correct	7 ms	13908 KB	Output is correct
9	Correct	7 ms	13908 KB	Output is correct
10	Correct	7 ms	13908 KB	Output is correct
11	Correct	6 ms	14004 KB	Output is correct
12	Correct	6 ms	13908 KB	Output is correct
13	Correct	6 ms	13908 KB	Output is correct
14	Correct	8 ms	13908 KB	Output is correct
15	Correct	7 ms	13908 KB	Output is correct
16	Correct	7 ms	14016 KB	Output is correct
17	Correct	7 ms	13908 KB	Output is correct
18	Correct	7 ms	13884 KB	Output is correct
19	Correct	7 ms	13908 KB	Output is correct
20	Correct	6 ms	13908 KB	Output is correct
21	Correct	7 ms	14012 KB	Output is correct
22	Correct	7 ms	13908 KB	Output is correct
23	Correct	7 ms	13908 KB	Output is correct
24	Correct	7 ms	13908 KB	Output is correct
25	Correct	7 ms	13936 KB	Output is correct
26	Correct	7 ms	13908 KB	Output is correct
27	Correct	7 ms	13908 KB	Output is correct
28	Correct	7 ms	13908 KB	Output is correct
29	Correct	7 ms	13908 KB	Output is correct
30	Correct	7 ms	13908 KB	Output is correct
31	Correct	7 ms	14064 KB	Output is correct
32	Correct	7 ms	14036 KB	Output is correct
33	Correct	8 ms	13908 KB	Output is correct
34	Correct	7 ms	14056 KB	Output is correct
35	Correct	7 ms	13908 KB	Output is correct
36	Correct	8 ms	13908 KB	Output is correct
37	Correct	7 ms	14036 KB	Output is correct
38	Correct	7 ms	13908 KB	Output is correct
39	Correct	7 ms	13992 KB	Output is correct
40	Correct	7 ms	13908 KB	Output is correct
41	Correct	7 ms	13908 KB	Output is correct
42	Correct	7 ms	14036 KB	Output is correct
43	Correct	8 ms	14004 KB	Output is correct
44	Correct	8 ms	13908 KB	Output is correct
45	Correct	7 ms	13908 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	13976 KB	Output is correct
2	Correct	7 ms	13908 KB	Output is correct
3	Correct	9 ms	13900 KB	Output is correct
4	Correct	7 ms	13908 KB	Output is correct
5	Correct	7 ms	13908 KB	Output is correct
6	Correct	7 ms	14012 KB	Output is correct
7	Correct	8 ms	13908 KB	Output is correct
8	Correct	7 ms	13908 KB	Output is correct
9	Correct	7 ms	13908 KB	Output is correct
10	Correct	7 ms	13908 KB	Output is correct
11	Correct	6 ms	14004 KB	Output is correct
12	Correct	6 ms	13908 KB	Output is correct
13	Correct	6 ms	13908 KB	Output is correct
14	Correct	8 ms	13908 KB	Output is correct
15	Correct	7 ms	13908 KB	Output is correct
16	Correct	7 ms	14016 KB	Output is correct
17	Correct	7 ms	13908 KB	Output is correct
18	Correct	7 ms	13884 KB	Output is correct
19	Correct	7 ms	13908 KB	Output is correct
20	Correct	6 ms	13908 KB	Output is correct
21	Correct	7 ms	14012 KB	Output is correct
22	Correct	7 ms	13908 KB	Output is correct
23	Correct	7 ms	13908 KB	Output is correct
24	Correct	7 ms	13908 KB	Output is correct
25	Correct	7 ms	13936 KB	Output is correct
26	Correct	7 ms	13908 KB	Output is correct
27	Correct	7 ms	13908 KB	Output is correct
28	Correct	7 ms	13908 KB	Output is correct
29	Correct	7 ms	13908 KB	Output is correct
30	Correct	7 ms	13908 KB	Output is correct
31	Correct	7 ms	14064 KB	Output is correct
32	Correct	7 ms	14036 KB	Output is correct
33	Correct	8 ms	13908 KB	Output is correct
34	Correct	7 ms	14056 KB	Output is correct
35	Correct	7 ms	13908 KB	Output is correct
36	Correct	8 ms	13908 KB	Output is correct
37	Correct	7 ms	14036 KB	Output is correct
38	Correct	7 ms	13908 KB	Output is correct
39	Correct	7 ms	13992 KB	Output is correct
40	Correct	7 ms	13908 KB	Output is correct
41	Correct	7 ms	13908 KB	Output is correct
42	Correct	7 ms	14036 KB	Output is correct
43	Correct	8 ms	14004 KB	Output is correct
44	Correct	8 ms	13908 KB	Output is correct
45	Correct	7 ms	13908 KB	Output is correct
46	Correct	15 ms	16208 KB	Output is correct
47	Correct	25 ms	14372 KB	Output is correct
48	Correct	21 ms	14036 KB	Output is correct
49	Correct	18 ms	14388 KB	Output is correct
50	Correct	19 ms	14016 KB	Output is correct
51	Correct	23 ms	14024 KB	Output is correct
52	Correct	14 ms	13908 KB	Output is correct
53	Correct	11 ms	13908 KB	Output is correct
54	Correct	18 ms	13908 KB	Output is correct
55	Correct	22 ms	13908 KB	Output is correct
56	Correct	16 ms	13908 KB	Output is correct
57	Correct	18 ms	15160 KB	Output is correct
58	Correct	17 ms	14620 KB	Output is correct
59	Correct	18 ms	14008 KB	Output is correct
60	Correct	16 ms	13908 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	13976 KB	Output is correct
2	Correct	7 ms	13908 KB	Output is correct
3	Correct	9 ms	13900 KB	Output is correct
4	Correct	7 ms	13908 KB	Output is correct
5	Correct	7 ms	13908 KB	Output is correct
6	Correct	7 ms	14012 KB	Output is correct
7	Correct	8 ms	13908 KB	Output is correct
8	Correct	7 ms	13908 KB	Output is correct
9	Correct	7 ms	13908 KB	Output is correct
10	Correct	7 ms	13908 KB	Output is correct
11	Correct	6 ms	14004 KB	Output is correct
12	Correct	6 ms	13908 KB	Output is correct
13	Correct	6 ms	13908 KB	Output is correct
14	Correct	8 ms	13908 KB	Output is correct
15	Correct	7 ms	13908 KB	Output is correct
16	Correct	7 ms	14016 KB	Output is correct
17	Correct	7 ms	13908 KB	Output is correct
18	Correct	7 ms	13884 KB	Output is correct
19	Correct	7 ms	13908 KB	Output is correct
20	Correct	6 ms	13908 KB	Output is correct
21	Correct	7 ms	14012 KB	Output is correct
22	Correct	7 ms	13908 KB	Output is correct
23	Correct	7 ms	13908 KB	Output is correct
24	Correct	7 ms	13908 KB	Output is correct
25	Correct	7 ms	13936 KB	Output is correct
26	Correct	7 ms	13908 KB	Output is correct
27	Correct	7 ms	13908 KB	Output is correct
28	Correct	7 ms	13908 KB	Output is correct
29	Correct	7 ms	13908 KB	Output is correct
30	Correct	7 ms	13908 KB	Output is correct
31	Correct	7 ms	14064 KB	Output is correct
32	Correct	7 ms	14036 KB	Output is correct
33	Correct	8 ms	13908 KB	Output is correct
34	Correct	7 ms	14056 KB	Output is correct
35	Correct	7 ms	13908 KB	Output is correct
36	Correct	8 ms	13908 KB	Output is correct
37	Correct	7 ms	14036 KB	Output is correct
38	Correct	7 ms	13908 KB	Output is correct
39	Correct	7 ms	13992 KB	Output is correct
40	Correct	7 ms	13908 KB	Output is correct
41	Correct	7 ms	13908 KB	Output is correct
42	Correct	7 ms	14036 KB	Output is correct
43	Correct	8 ms	14004 KB	Output is correct
44	Correct	8 ms	13908 KB	Output is correct
45	Correct	7 ms	13908 KB	Output is correct
46	Correct	15 ms	16208 KB	Output is correct
47	Correct	25 ms	14372 KB	Output is correct
48	Correct	21 ms	14036 KB	Output is correct
49	Correct	18 ms	14388 KB	Output is correct
50	Correct	19 ms	14016 KB	Output is correct
51	Correct	23 ms	14024 KB	Output is correct
52	Correct	14 ms	13908 KB	Output is correct
53	Correct	11 ms	13908 KB	Output is correct
54	Correct	18 ms	13908 KB	Output is correct
55	Correct	22 ms	13908 KB	Output is correct
56	Correct	16 ms	13908 KB	Output is correct
57	Correct	18 ms	15160 KB	Output is correct
58	Correct	17 ms	14620 KB	Output is correct
59	Correct	18 ms	14008 KB	Output is correct
60	Correct	16 ms	13908 KB	Output is correct
61	Correct	46 ms	22312 KB	Output is correct
62	Correct	77 ms	20164 KB	Output is correct
63	Correct	85 ms	18428 KB	Output is correct
64	Correct	71 ms	18464 KB	Output is correct
65	Correct	65 ms	18840 KB	Output is correct
66	Correct	90 ms	18844 KB	Output is correct
67	Correct	83 ms	17868 KB	Output is correct
68	Correct	50 ms	15940 KB	Output is correct
69	Correct	70 ms	15016 KB	Output is correct
70	Correct	84 ms	18856 KB	Output is correct
71	Correct	45 ms	15908 KB	Output is correct
72	Correct	67 ms	20620 KB	Output is correct
73	Correct	60 ms	19100 KB	Output is correct
74	Correct	68 ms	17188 KB	Output is correct
75	Correct	56 ms	17232 KB	Output is correct

Submission #706895

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0