답안 #1045152

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1045152	2024-08-05T17:39:36 Z	IdanRosen	Global Warming (CEOI18_glo)	C++	100 / 100	43 ms	8644 KB

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef long double ld;

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

    ll n, x;
    cin >> n >> x;

    vector<ll> arr(n);
    for (auto &i: arr) cin >> i;

    vector<ll> lis(n);
    {
        vector<ll> dp(n, -1);
        ll len = 0;

        for (ll i = 0; i < n; i++) {
            ll val = arr[i];

            ll start = 0;
            ll end = len;
            while (start < end) {
                ll mid = start + (end - start) / 2;

                if (arr[dp[mid]] < val) start = mid + 1;
                else end = mid;
            }

            lis[i] = start + 1;

            dp[start] = i;
            if (start == len) ++len;
        }
    }

    vector<ll> lis_rev(n);
    {
        vector<ll> dp(n);
        ll len = 0;

        for (ll i = n - 1; i > 0; i--) {
            ll val = arr[i];

            ll start = 0;
            ll end = len;

            while (start < end) {
                ll mid = start + (end - start) / 2;

                if (arr[dp[mid]] > val - x) start = mid + 1;
                else end = mid;
            }

            lis_rev[i] = start + 1;

            start = 0;
            end = len;

            while (start < end) {
                ll mid = start + (end - start) / 2;

                if (arr[dp[mid]] > val) start = mid + 1;
                else end = mid;
            }

            dp[start] = i;
            if (start == len) ++len;
        }
    }

    ll best_lis = 0;
    for (ll i = 0; i < n; i++) best_lis = max(best_lis, lis[i] + lis_rev[i] - 1);

    cout << best_lis;
}

Subtask #1
5.0 / 5.0

#	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	348 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

Subtask #2
10.0 / 10.0

#	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	348 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	448 KB	Output is correct
13	Correct	1 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 #3
13.0 / 13.0

#	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	348 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	448 KB	Output is correct
13	Correct	1 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	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	36 ms	8508 KB	Output is correct
2	Correct	43 ms	8644 KB	Output is correct
3	Correct	41 ms	8500 KB	Output is correct
4	Correct	36 ms	8504 KB	Output is correct
5	Correct	21 ms	7732 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	2512 KB	Output is correct
2	Correct	8 ms	2372 KB	Output is correct
3	Correct	9 ms	2260 KB	Output is correct
4	Correct	5 ms	2128 KB	Output is correct
5	Correct	0 ms	360 KB	Output is correct
6	Correct	5 ms	2296 KB	Output is correct
7	Correct	7 ms	2516 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	4428 KB	Output is correct
2	Correct	16 ms	4420 KB	Output is correct
3	Correct	33 ms	8600 KB	Output is correct
4	Correct	21 ms	7748 KB	Output is correct
5	Correct	10 ms	4168 KB	Output is correct
6	Correct	19 ms	7560 KB	Output is correct
7	Correct	21 ms	8124 KB	Output is correct
8	Correct	14 ms	4424 KB	Output is correct

Subtask #7
25.0 / 25.0

#	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	348 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	448 KB	Output is correct
13	Correct	1 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	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	36 ms	8508 KB	Output is correct
28	Correct	43 ms	8644 KB	Output is correct
29	Correct	41 ms	8500 KB	Output is correct
30	Correct	36 ms	8504 KB	Output is correct
31	Correct	21 ms	7732 KB	Output is correct
32	Correct	9 ms	2512 KB	Output is correct
33	Correct	8 ms	2372 KB	Output is correct
34	Correct	9 ms	2260 KB	Output is correct
35	Correct	5 ms	2128 KB	Output is correct
36	Correct	0 ms	360 KB	Output is correct
37	Correct	5 ms	2296 KB	Output is correct
38	Correct	7 ms	2516 KB	Output is correct
39	Correct	16 ms	4428 KB	Output is correct
40	Correct	16 ms	4420 KB	Output is correct
41	Correct	33 ms	8600 KB	Output is correct
42	Correct	21 ms	7748 KB	Output is correct
43	Correct	10 ms	4168 KB	Output is correct
44	Correct	19 ms	7560 KB	Output is correct
45	Correct	21 ms	8124 KB	Output is correct
46	Correct	14 ms	4424 KB	Output is correct
47	Correct	21 ms	4428 KB	Output is correct
48	Correct	18 ms	4540 KB	Output is correct
49	Correct	36 ms	8508 KB	Output is correct
50	Correct	21 ms	7744 KB	Output is correct
51	Correct	19 ms	5828 KB	Output is correct
52	Correct	24 ms	7744 KB	Output is correct
53	Correct	18 ms	7740 KB	Output is correct
54	Correct	25 ms	8512 KB	Output is correct
55	Correct	30 ms	8500 KB	Output is correct

답안 #1045152

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