답안 #32318

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
32318	2017-10-08T14:37:27 Z	dqhungdl	Hacker (BOI15_hac)	C++14	100 / 100	743 ms	17672 KB

hac

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

int n,sum=0,res=0,a[1000005];
multiset<int> s;

int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        a[i+n]=a[i];
        sum+=a[i];
    }
    for(int i=1;i<=2*n;i++)
        a[i]+=a[i-1];
    int k=n/2;
    for(int i=k;i<n;i++)
        s.insert(a[i]-a[i-k]);
    for(int i=1;i<=n;i++)
    {
        s.erase(s.find(a[i+k-1]-a[i-1]));
        s.insert(a[i+n-1]-a[i+n-1-k]);
        res=max(res,sum-*s.rbegin());
    }
    cout<<res;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	3 ms	6056 KB	Output is correct
25	Correct	3 ms	6056 KB	Output is correct
26	Correct	3 ms	6056 KB	Output is correct
27	Correct	0 ms	5924 KB	Output is correct
28	Correct	0 ms	5924 KB	Output is correct
29	Correct	0 ms	5924 KB	Output is correct
30	Correct	3 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	3 ms	6056 KB	Output is correct
4	Correct	59 ms	7772 KB	Output is correct
5	Correct	243 ms	10676 KB	Output is correct
6	Correct	356 ms	11864 KB	Output is correct
7	Correct	339 ms	12920 KB	Output is correct
8	Correct	743 ms	17672 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	3 ms	6056 KB	Output is correct
25	Correct	3 ms	6056 KB	Output is correct
26	Correct	3 ms	6056 KB	Output is correct
27	Correct	0 ms	5924 KB	Output is correct
28	Correct	0 ms	5924 KB	Output is correct
29	Correct	0 ms	5924 KB	Output is correct
30	Correct	3 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct
32	Correct	0 ms	5924 KB	Output is correct
33	Correct	0 ms	5924 KB	Output is correct
34	Correct	3 ms	6056 KB	Output is correct
35	Correct	59 ms	7772 KB	Output is correct
36	Correct	243 ms	10676 KB	Output is correct
37	Correct	356 ms	11864 KB	Output is correct
38	Correct	339 ms	12920 KB	Output is correct
39	Correct	743 ms	17672 KB	Output is correct
40	Correct	6 ms	6188 KB	Output is correct
41	Correct	16 ms	6452 KB	Output is correct
42	Correct	23 ms	6584 KB	Output is correct
43	Correct	243 ms	10676 KB	Output is correct
44	Correct	579 ms	17672 KB	Output is correct
45	Correct	76 ms	8300 KB	Output is correct
46	Correct	309 ms	12920 KB	Output is correct
47	Correct	693 ms	17672 KB	Output is correct
48	Correct	463 ms	17672 KB	Output is correct
49	Correct	406 ms	17672 KB	Output is correct
50	Correct	383 ms	17672 KB	Output is correct