답안 #398997

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
398997	2021-05-05T02:19:08 Z	KoD	Global Warming (CEOI18_glo)	C++17	100 / 100	67 ms	4596 KB

#include <bits/stdc++.h>

template <class T>
using Vec = std::vector<T>;

constexpr int INF = std::numeric_limits<int>::max() / 2;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N, X;
    std::cin >> N >> X;
    Vec<int> A(N);
    for (auto& x: A) {
        std::cin >> x;
    }    
    Vec<int> up(N + 1, INF), down(N + 1, INF);
    up[0] = down[0] = -INF;
    for (const auto x: A) {
        const int u = std::lower_bound(up.begin(), up.end(), x) - up.begin();
        const int d = std::lower_bound(down.begin(), down.end(), x) - down.begin();
        up[u] = x;
        down[d] = x;
        down[u] = std::min(down[u], x - X);
    }
    std::cout << std::lower_bound(down.begin(), down.end(), INF) - down.begin() - 1 << '\n';
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	252 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	252 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	316 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	252 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	316 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	4548 KB	Output is correct
2	Correct	51 ms	4544 KB	Output is correct
3	Correct	50 ms	4552 KB	Output is correct
4	Correct	49 ms	4596 KB	Output is correct
5	Correct	38 ms	3788 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	1408 KB	Output is correct
2	Correct	13 ms	1400 KB	Output is correct
3	Correct	12 ms	1352 KB	Output is correct
4	Correct	10 ms	1204 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	10 ms	1264 KB	Output is correct
7	Correct	11 ms	1356 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	2376 KB	Output is correct
2	Correct	25 ms	2472 KB	Output is correct
3	Correct	67 ms	4556 KB	Output is correct
4	Correct	42 ms	3788 KB	Output is correct
5	Correct	20 ms	2080 KB	Output is correct
6	Correct	37 ms	3752 KB	Output is correct
7	Correct	39 ms	4348 KB	Output is correct
8	Correct	21 ms	2376 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	252 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	316 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	52 ms	4548 KB	Output is correct
28	Correct	51 ms	4544 KB	Output is correct
29	Correct	50 ms	4552 KB	Output is correct
30	Correct	49 ms	4596 KB	Output is correct
31	Correct	38 ms	3788 KB	Output is correct
32	Correct	12 ms	1408 KB	Output is correct
33	Correct	13 ms	1400 KB	Output is correct
34	Correct	12 ms	1352 KB	Output is correct
35	Correct	10 ms	1204 KB	Output is correct
36	Correct	1 ms	316 KB	Output is correct
37	Correct	10 ms	1264 KB	Output is correct
38	Correct	11 ms	1356 KB	Output is correct
39	Correct	27 ms	2376 KB	Output is correct
40	Correct	25 ms	2472 KB	Output is correct
41	Correct	67 ms	4556 KB	Output is correct
42	Correct	42 ms	3788 KB	Output is correct
43	Correct	20 ms	2080 KB	Output is correct
44	Correct	37 ms	3752 KB	Output is correct
45	Correct	39 ms	4348 KB	Output is correct
46	Correct	21 ms	2376 KB	Output is correct
47	Correct	24 ms	2460 KB	Output is correct
48	Correct	24 ms	2480 KB	Output is correct
49	Correct	50 ms	4556 KB	Output is correct
50	Correct	41 ms	3788 KB	Output is correct
51	Correct	32 ms	2892 KB	Output is correct
52	Correct	40 ms	3932 KB	Output is correct
53	Correct	36 ms	3932 KB	Output is correct
54	Correct	40 ms	4564 KB	Output is correct
55	Correct	43 ms	4552 KB	Output is correct

답안 #398997

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0