답안 #1010960

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1010960	2024-06-29T15:15:24 Z	LOLOLO	Hacker (BOI15_hac)	C++17	100 / 100	49 ms	15688 KB

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (ll)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 1e6 + 10;
int a[N], s[N], p[N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n;
    cin >> n;

    int sz = n / 2 + (n % 2);

    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        a[i + n] = a[i];
    }

    for (int i = 1; i <= n * 2; i++) {
        s[i] = s[i - 1] + a[i];
        p[i] = s[i] - s[i - sz];
    }

    deque <int> dq;

    int ans = 0;
    for (int i = n * 2; i >= sz; i--) {
        while (sz(dq) && p[i] < p[dq.back()])
            dq.pop_back();

        dq.push_back(i);

        while (dq.front() - i >= sz)
            dq.pop_front();

        if (i + sz - 1 <= n * 2)
            ans = max(ans, p[dq.front()]);
    }

    cout << ans << '\n';

    return 0;
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	352 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	1 ms	472 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	608 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	612 KB	Output is correct
4	Correct	7 ms	2524 KB	Output is correct
5	Correct	14 ms	5724 KB	Output is correct
6	Correct	24 ms	7436 KB	Output is correct
7	Correct	26 ms	8800 KB	Output is correct
8	Correct	44 ms	14164 KB	Output is correct

Subtask #4
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	352 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	1 ms	472 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	608 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	0 ms	352 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	612 KB	Output is correct
35	Correct	7 ms	2524 KB	Output is correct
36	Correct	14 ms	5724 KB	Output is correct
37	Correct	24 ms	7436 KB	Output is correct
38	Correct	26 ms	8800 KB	Output is correct
39	Correct	44 ms	14164 KB	Output is correct
40	Correct	1 ms	604 KB	Output is correct
41	Correct	2 ms	864 KB	Output is correct
42	Correct	3 ms	1116 KB	Output is correct
43	Correct	18 ms	6056 KB	Output is correct
44	Correct	38 ms	14136 KB	Output is correct
45	Correct	7 ms	3164 KB	Output is correct
46	Correct	25 ms	8832 KB	Output is correct
47	Correct	49 ms	14300 KB	Output is correct
48	Correct	32 ms	15688 KB	Output is correct
49	Correct	32 ms	14672 KB	Output is correct
50	Correct	33 ms	14676 KB	Output is correct

답안 #1010960

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 40.0 / 40.0

Subtask #1
20.0 / 20.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
40.0 / 40.0