Submission #260973

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
260973	2020-08-11T08:58:20 Z	igm_igm	Bigger segments (IZhO19_segments)	C++14	37 / 100	792 ms	262148 KB

segments

#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
llo it[500001];
llo n;
llo pre[500001];
llo dp[500001];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;

	for(llo i=0;i<n;i++){
		cin>>it[i];
		pre[i+1]=pre[i]+it[i];
	}
	llo ans=1;
	vector<pair<llo,pair<llo,llo>>> ss;
	for(llo i=1;i<=n;i++){
		for(llo j=0;j<i;j++){
			ss.pb({pre[i]-pre[j],{j,i}});
		}
	}
	sort(ss.begin(),ss.end());
	for(llo i=1;i<=n;i++){
		dp[i]=-1;
	}
	for(auto j:ss){
		if(dp[j.b.a]==-1){
			continue;
		}
		dp[j.b.b]=max(dp[j.b.a]+1,dp[j.b.b]);
	}

	cout<<dp[n]<<endl;





	return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:21:6: warning: unused variable 'ans' [-Wunused-variable]
  llo ans=1;
      ^~~

Subtask #1
13.0 / 13.0

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

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	16 ms	3604 KB	Output is correct
17	Correct	14 ms	3572 KB	Output is correct
18	Correct	15 ms	3572 KB	Output is correct
19	Correct	16 ms	3572 KB	Output is correct
20	Correct	17 ms	3572 KB	Output is correct
21	Correct	15 ms	3572 KB	Output is correct
22	Correct	10 ms	3572 KB	Output is correct
23	Correct	6 ms	2040 KB	Output is correct
24	Correct	17 ms	3572 KB	Output is correct
25	Correct	15 ms	3572 KB	Output is correct
26	Correct	16 ms	3572 KB	Output is correct
27	Correct	20 ms	3572 KB	Output is correct
28	Correct	17 ms	3572 KB	Output is correct
29	Correct	18 ms	3572 KB	Output is correct
30	Correct	16 ms	3572 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	16 ms	3604 KB	Output is correct
17	Correct	14 ms	3572 KB	Output is correct
18	Correct	15 ms	3572 KB	Output is correct
19	Correct	16 ms	3572 KB	Output is correct
20	Correct	17 ms	3572 KB	Output is correct
21	Correct	15 ms	3572 KB	Output is correct
22	Correct	10 ms	3572 KB	Output is correct
23	Correct	6 ms	2040 KB	Output is correct
24	Correct	17 ms	3572 KB	Output is correct
25	Correct	15 ms	3572 KB	Output is correct
26	Correct	16 ms	3572 KB	Output is correct
27	Correct	20 ms	3572 KB	Output is correct
28	Correct	17 ms	3572 KB	Output is correct
29	Correct	18 ms	3572 KB	Output is correct
30	Correct	16 ms	3572 KB	Output is correct
31	Correct	744 ms	197780 KB	Output is correct
32	Correct	651 ms	197524 KB	Output is correct
33	Correct	703 ms	197520 KB	Output is correct
34	Correct	709 ms	197520 KB	Output is correct
35	Correct	785 ms	197524 KB	Output is correct
36	Correct	695 ms	197528 KB	Output is correct
37	Correct	453 ms	99068 KB	Output is correct
38	Correct	280 ms	49816 KB	Output is correct
39	Correct	792 ms	197524 KB	Output is correct
40	Correct	676 ms	197576 KB	Output is correct
41	Correct	790 ms	197520 KB	Output is correct
42	Correct	726 ms	197524 KB	Output is correct
43	Correct	727 ms	197524 KB	Output is correct
44	Correct	758 ms	197524 KB	Output is correct
45	Correct	739 ms	197656 KB	Output is correct

Subtask #4
0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	16 ms	3604 KB	Output is correct
17	Correct	14 ms	3572 KB	Output is correct
18	Correct	15 ms	3572 KB	Output is correct
19	Correct	16 ms	3572 KB	Output is correct
20	Correct	17 ms	3572 KB	Output is correct
21	Correct	15 ms	3572 KB	Output is correct
22	Correct	10 ms	3572 KB	Output is correct
23	Correct	6 ms	2040 KB	Output is correct
24	Correct	17 ms	3572 KB	Output is correct
25	Correct	15 ms	3572 KB	Output is correct
26	Correct	16 ms	3572 KB	Output is correct
27	Correct	20 ms	3572 KB	Output is correct
28	Correct	17 ms	3572 KB	Output is correct
29	Correct	18 ms	3572 KB	Output is correct
30	Correct	16 ms	3572 KB	Output is correct
31	Correct	744 ms	197780 KB	Output is correct
32	Correct	651 ms	197524 KB	Output is correct
33	Correct	703 ms	197520 KB	Output is correct
34	Correct	709 ms	197520 KB	Output is correct
35	Correct	785 ms	197524 KB	Output is correct
36	Correct	695 ms	197528 KB	Output is correct
37	Correct	453 ms	99068 KB	Output is correct
38	Correct	280 ms	49816 KB	Output is correct
39	Correct	792 ms	197524 KB	Output is correct
40	Correct	676 ms	197576 KB	Output is correct
41	Correct	790 ms	197520 KB	Output is correct
42	Correct	726 ms	197524 KB	Output is correct
43	Correct	727 ms	197524 KB	Output is correct
44	Correct	758 ms	197524 KB	Output is correct
45	Correct	739 ms	197656 KB	Output is correct
46	Runtime error	355 ms	262148 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
47	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	16 ms	3604 KB	Output is correct
17	Correct	14 ms	3572 KB	Output is correct
18	Correct	15 ms	3572 KB	Output is correct
19	Correct	16 ms	3572 KB	Output is correct
20	Correct	17 ms	3572 KB	Output is correct
21	Correct	15 ms	3572 KB	Output is correct
22	Correct	10 ms	3572 KB	Output is correct
23	Correct	6 ms	2040 KB	Output is correct
24	Correct	17 ms	3572 KB	Output is correct
25	Correct	15 ms	3572 KB	Output is correct
26	Correct	16 ms	3572 KB	Output is correct
27	Correct	20 ms	3572 KB	Output is correct
28	Correct	17 ms	3572 KB	Output is correct
29	Correct	18 ms	3572 KB	Output is correct
30	Correct	16 ms	3572 KB	Output is correct
31	Correct	744 ms	197780 KB	Output is correct
32	Correct	651 ms	197524 KB	Output is correct
33	Correct	703 ms	197520 KB	Output is correct
34	Correct	709 ms	197520 KB	Output is correct
35	Correct	785 ms	197524 KB	Output is correct
36	Correct	695 ms	197528 KB	Output is correct
37	Correct	453 ms	99068 KB	Output is correct
38	Correct	280 ms	49816 KB	Output is correct
39	Correct	792 ms	197524 KB	Output is correct
40	Correct	676 ms	197576 KB	Output is correct
41	Correct	790 ms	197520 KB	Output is correct
42	Correct	726 ms	197524 KB	Output is correct
43	Correct	727 ms	197524 KB	Output is correct
44	Correct	758 ms	197524 KB	Output is correct
45	Correct	739 ms	197656 KB	Output is correct
46	Runtime error	355 ms	262148 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
47	Halted	0 ms	0 KB	-

Submission #260973

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0