답안 #290791

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
290791	2020-09-04T12:59:13 Z	PKhing	Bigger segments (IZhO19_segments)	C++14	100 / 100	372 ms	43516 KB

segments

#include<bits/stdc++.h>
#define ll long long
#define ii pair<ll,ll>
using namespace std;
ll tab[500005];
ll qs[500005];
ll dp[500005];
ll dp2[500005];
int n;
int main(){
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%lld",&tab[i]);
        qs[i]=tab[i]+qs[i-1];
    }
    set<ii,greater<ii>> s;
    s.insert(make_pair(0,0));
    for(int i=1;i<=n;i++){
        auto x = s.lower_bound(make_pair(qs[i],1e9));
        ll want = 2*qs[i]-qs[x->second];
        dp[i] = dp[x->second]+1;
        queue<ii> del;
        for(auto i:s){
            if(i.first>=want){
                del.emplace(i);
            }
            else break;
        }
        while(!del.empty()){
            s.erase(del.front());
            del.pop();
        }
        s.insert(make_pair(want,i));
    }
    printf("%lld",dp[n]);

}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
segments.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%lld",&tab[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 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	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 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	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	640 KB	Output is correct
32	Correct	2 ms	512 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	640 KB	Output is correct
35	Correct	2 ms	640 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	512 KB	Output is correct
38	Correct	1 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	2 ms	640 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	3 ms	640 KB	Output is correct
43	Correct	2 ms	640 KB	Output is correct
44	Correct	2 ms	640 KB	Output is correct
45	Correct	2 ms	640 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 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	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	640 KB	Output is correct
32	Correct	2 ms	512 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	640 KB	Output is correct
35	Correct	2 ms	640 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	512 KB	Output is correct
38	Correct	1 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	2 ms	640 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	3 ms	640 KB	Output is correct
43	Correct	2 ms	640 KB	Output is correct
44	Correct	2 ms	640 KB	Output is correct
45	Correct	2 ms	640 KB	Output is correct
46	Correct	50 ms	8952 KB	Output is correct
47	Correct	56 ms	6968 KB	Output is correct
48	Correct	56 ms	3224 KB	Output is correct
49	Correct	66 ms	6264 KB	Output is correct
50	Correct	61 ms	8952 KB	Output is correct
51	Correct	67 ms	7672 KB	Output is correct
52	Correct	32 ms	3960 KB	Output is correct
53	Correct	19 ms	2560 KB	Output is correct
54	Correct	60 ms	7288 KB	Output is correct
55	Correct	63 ms	8312 KB	Output is correct
56	Correct	57 ms	8952 KB	Output is correct
57	Correct	60 ms	8952 KB	Output is correct
58	Correct	56 ms	8296 KB	Output is correct
59	Correct	58 ms	8968 KB	Output is correct
60	Correct	59 ms	8976 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 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	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	640 KB	Output is correct
32	Correct	2 ms	512 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	640 KB	Output is correct
35	Correct	2 ms	640 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	512 KB	Output is correct
38	Correct	1 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	2 ms	640 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	3 ms	640 KB	Output is correct
43	Correct	2 ms	640 KB	Output is correct
44	Correct	2 ms	640 KB	Output is correct
45	Correct	2 ms	640 KB	Output is correct
46	Correct	50 ms	8952 KB	Output is correct
47	Correct	56 ms	6968 KB	Output is correct
48	Correct	56 ms	3224 KB	Output is correct
49	Correct	66 ms	6264 KB	Output is correct
50	Correct	61 ms	8952 KB	Output is correct
51	Correct	67 ms	7672 KB	Output is correct
52	Correct	32 ms	3960 KB	Output is correct
53	Correct	19 ms	2560 KB	Output is correct
54	Correct	60 ms	7288 KB	Output is correct
55	Correct	63 ms	8312 KB	Output is correct
56	Correct	57 ms	8952 KB	Output is correct
57	Correct	60 ms	8952 KB	Output is correct
58	Correct	56 ms	8296 KB	Output is correct
59	Correct	58 ms	8968 KB	Output is correct
60	Correct	59 ms	8976 KB	Output is correct
61	Correct	268 ms	43356 KB	Output is correct
62	Correct	277 ms	43388 KB	Output is correct
63	Correct	309 ms	34852 KB	Output is correct
64	Correct	371 ms	18424 KB	Output is correct
65	Correct	333 ms	43384 KB	Output is correct
66	Correct	372 ms	36872 KB	Output is correct
67	Correct	296 ms	29560 KB	Output is correct
68	Correct	138 ms	15096 KB	Output is correct
69	Correct	333 ms	34936 KB	Output is correct
70	Correct	340 ms	40952 KB	Output is correct
71	Correct	310 ms	43384 KB	Output is correct
72	Correct	325 ms	38008 KB	Output is correct
73	Correct	322 ms	38800 KB	Output is correct
74	Correct	315 ms	43444 KB	Output is correct
75	Correct	328 ms	43516 KB	Output is correct

답안 #290791

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