답안 #671742

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
671742	2022-12-13T15:55:57 Z	LittleCube	Global Warming (CEOI18_glo)	C++14	100 / 100	175 ms	8008 KB

#include <bits/stdc++.h>
#define ll long long
#define plll tuple<ll, ll, ll>
using namespace std;

int n, d, a[200005], b[200005], bit[400005], dp[200005][2];

void modify(int pos, int val)
{
    for (int i = pos; i <= 2 * n; i += (i & -i))
        bit[i] = max(bit[i], val);
}

int query(int pos)
{
    int res = 0;
    for (int i = pos; i > 0; i -= (i & -i))
        res = max(res, bit[i]);
    return res;
}

signed main()
{
    cin >> n >> d;
    vector<int> v;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        v.emplace_back(a[i]);
        v.emplace_back(a[i] + d);
    }
    sort(v.begin(), v.end());
    for (int i = 1; i <= n; i++)
    {
        b[i] = lower_bound(v.begin(), v.end(), a[i] + d) - v.begin() + 1;
        a[i] = lower_bound(v.begin(), v.end(), a[i]) - v.begin() + 1;
    }
    for (int i = 1; i <= n; i++)
    {
        dp[i][0] = query(a[i] - 1) + 1;
        modify(a[i], dp[i][0]);
    }
    for (int i = 1; i <= 2 * n; i++)
        bit[i] = 0;
    for (int i = 1; i <= n; i++)
    {
        dp[i][1] = query(b[i] - 1) + 1;
        modify(a[i], dp[i][0]);
        modify(b[i], dp[i][1]);
    }
    int ans = 0;
    for(int i = 1; i <= n; i++)
        ans = max({ans, dp[i][0], dp[i][1]});
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	0 ms	212 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	1 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

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	0 ms	212 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	1 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	1 ms	212 KB	Output is correct
13	Correct	1 ms	308 KB	Output is correct
14	Correct	1 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	304 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	0 ms	212 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	1 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	1 ms	212 KB	Output is correct
13	Correct	1 ms	308 KB	Output is correct
14	Correct	1 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	304 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	316 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	312 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	304 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	172 ms	7068 KB	Output is correct
2	Correct	167 ms	6740 KB	Output is correct
3	Correct	162 ms	6676 KB	Output is correct
4	Correct	164 ms	6588 KB	Output is correct
5	Correct	95 ms	6588 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	2444 KB	Output is correct
2	Correct	38 ms	1960 KB	Output is correct
3	Correct	39 ms	1924 KB	Output is correct
4	Correct	25 ms	1988 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	24 ms	2244 KB	Output is correct
7	Correct	36 ms	2432 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	86 ms	4028 KB	Output is correct
2	Correct	87 ms	3504 KB	Output is correct
3	Correct	175 ms	6664 KB	Output is correct
4	Correct	102 ms	6584 KB	Output is correct
5	Correct	54 ms	3544 KB	Output is correct
6	Correct	98 ms	6300 KB	Output is correct
7	Correct	115 ms	6364 KB	Output is correct
8	Correct	74 ms	3548 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	0 ms	212 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	1 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	1 ms	212 KB	Output is correct
13	Correct	1 ms	308 KB	Output is correct
14	Correct	1 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	304 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	316 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	312 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	304 KB	Output is correct
27	Correct	172 ms	7068 KB	Output is correct
28	Correct	167 ms	6740 KB	Output is correct
29	Correct	162 ms	6676 KB	Output is correct
30	Correct	164 ms	6588 KB	Output is correct
31	Correct	95 ms	6588 KB	Output is correct
32	Correct	41 ms	2444 KB	Output is correct
33	Correct	38 ms	1960 KB	Output is correct
34	Correct	39 ms	1924 KB	Output is correct
35	Correct	25 ms	1988 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	24 ms	2244 KB	Output is correct
38	Correct	36 ms	2432 KB	Output is correct
39	Correct	86 ms	4028 KB	Output is correct
40	Correct	87 ms	3504 KB	Output is correct
41	Correct	175 ms	6664 KB	Output is correct
42	Correct	102 ms	6584 KB	Output is correct
43	Correct	54 ms	3544 KB	Output is correct
44	Correct	98 ms	6300 KB	Output is correct
45	Correct	115 ms	6364 KB	Output is correct
46	Correct	74 ms	3548 KB	Output is correct
47	Correct	80 ms	4500 KB	Output is correct
48	Correct	80 ms	4484 KB	Output is correct
49	Correct	170 ms	7880 KB	Output is correct
50	Correct	95 ms	7816 KB	Output is correct
51	Correct	78 ms	5900 KB	Output is correct
52	Correct	106 ms	7864 KB	Output is correct
53	Correct	100 ms	7900 KB	Output is correct
54	Correct	120 ms	8008 KB	Output is correct
55	Correct	157 ms	7928 KB	Output is correct

답안 #671742

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