답안 #798208

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
798208	2023-07-30T13:31:15 Z	tch1cherin	Hacker (BOI15_hac)	C++17	100 / 100	101 ms	11612 KB

hac

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

int main() {
  int N;
  cin >> N;
  vector<int> A(2 * N);
  for (int i = 0; i < N; i++) {
    cin >> A[i];
    A[i + N] = A[i];
  }
  int M = (N + 1) / 2;
  vector<int> B(2 * N);
  for (int i = 0; i < 2 * N; i++) {
    if (i > 0) {
      B[i] += B[i - 1];
    }
    B[i] += A[i];
    if (i >= M) {
      B[i] -= A[i - M];
    } 
  }
  int ans = 0;
  deque<int> dq;
  for (int i = 0; i <= 2 * N; i++) {
    while (!dq.empty() && B[dq.back()] >= B[i]) {
      dq.pop_back();
    }
    dq.push_back(i);
    if (dq.front() + M <= i) {
      dq.pop_front();
    }
    ans = max(ans, B[dq.front()]);
  }
  cout << ans << "\n";
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	232 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	232 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	16 ms	1708 KB	Output is correct
5	Correct	35 ms	3784 KB	Output is correct
6	Correct	48 ms	4736 KB	Output is correct
7	Correct	59 ms	5588 KB	Output is correct
8	Correct	98 ms	9068 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	232 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	16 ms	1708 KB	Output is correct
36	Correct	35 ms	3784 KB	Output is correct
37	Correct	48 ms	4736 KB	Output is correct
38	Correct	59 ms	5588 KB	Output is correct
39	Correct	98 ms	9068 KB	Output is correct
40	Correct	3 ms	468 KB	Output is correct
41	Correct	4 ms	724 KB	Output is correct
42	Correct	6 ms	944 KB	Output is correct
43	Correct	39 ms	4676 KB	Output is correct
44	Correct	101 ms	11328 KB	Output is correct
45	Correct	18 ms	2388 KB	Output is correct
46	Correct	58 ms	6920 KB	Output is correct
47	Correct	97 ms	11212 KB	Output is correct
48	Correct	99 ms	11612 KB	Output is correct
49	Correct	79 ms	10712 KB	Output is correct
50	Correct	87 ms	10716 KB	Output is correct