Submission #1096314

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1096314	2024-10-04T09:22:23 Z	Wewoo	Global Warming (CEOI18_glo)	C++17	100 / 100	63 ms	10068 KB

#include <bits/stdc++.h>

#define F first
#define S second

using namespace std;

const int MAXN = 2e5 + 105;
typedef pair <int, int> ii;

int n, x;
int a[2 * MAXN + 10];
ii b[2 * MAXN + 10];

namespace Sub1
{
    int lis[MAXN + 5];
    void Solve()
    {
        int len = 0;
        for (int i = 1; i <= n; ++i)
        {
            int idx = lower_bound(lis + 1, lis + len + 1, a[i]) - lis;
            lis[idx] = a[i];
            len = max(len, idx);
        }

        cout << len;
    }
}

namespace Sub2
{
    int bitMax[2][2 * MAXN + 10];
    void Update(int bitMax[], int idx, int val)
    {
        for (int i = idx; i <= 2 * n; i += i & (-i))
            bitMax[i] = max(bitMax[i], val);
    }

    int getMax(int bitMax[], int idx)
    {
        int ans = 0;
        for (int i = idx; 0 < i; i -= i & (-i))
            ans = max(ans, bitMax[i]);
        return ans;
    }

    void Solve()
    {
        for (int i = 1; i <= n; ++i)
        {
            cin >> a[i];
            b[i].F = a[i]; b[i].S = i;
            b[n + i].F = a[i] + x, b[n + i].S = n + i;
        }

        sort(b + 1, b + 2 * n + 1);
        for (int i = 1; i <= 2 * n; ++i)
        {
            a[b[i].S] = a[b[i - 1].S] + (b[i - 1].F < b[i].F);
        }

        int res = 0;
        for (int i = 1; i <= n; ++i)
        {
            int val1 = getMax(bitMax[0], a[i] - 1) + 1;
            int val2 = getMax(bitMax[0], a[n + i] - 1) + 1;
            int val3 = getMax(bitMax[1], a[i] - 1) + 1;

            Update(bitMax[0], a[i], val1);
            Update(bitMax[1], a[i], max(val2, val3));

            res = max(max(res, val1), max(val2, val3));
        }

        cout << res;
    }
}

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

    cin >> n >> x;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    if (x == 0) Sub1::Solve(); else Sub2::Solve();
    return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 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 #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 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	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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	1 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	3188 KB	Output is correct
2	Correct	24 ms	2924 KB	Output is correct
3	Correct	22 ms	3160 KB	Output is correct
4	Correct	26 ms	3424 KB	Output is correct
5	Correct	13 ms	2636 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	2908 KB	Output is correct
2	Correct	14 ms	2712 KB	Output is correct
3	Correct	14 ms	2712 KB	Output is correct
4	Correct	11 ms	2380 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	13 ms	2256 KB	Output is correct
7	Correct	13 ms	2652 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	4444 KB	Output is correct
2	Correct	29 ms	4440 KB	Output is correct
3	Correct	63 ms	8528 KB	Output is correct
4	Correct	52 ms	6992 KB	Output is correct
5	Correct	16 ms	4188 KB	Output is correct
6	Correct	34 ms	7508 KB	Output is correct
7	Correct	38 ms	8240 KB	Output is correct
8	Correct	25 ms	4432 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 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	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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	1 ms	348 KB	Output is correct
27	Correct	24 ms	3188 KB	Output is correct
28	Correct	24 ms	2924 KB	Output is correct
29	Correct	22 ms	3160 KB	Output is correct
30	Correct	26 ms	3424 KB	Output is correct
31	Correct	13 ms	2636 KB	Output is correct
32	Correct	14 ms	2908 KB	Output is correct
33	Correct	14 ms	2712 KB	Output is correct
34	Correct	14 ms	2712 KB	Output is correct
35	Correct	11 ms	2380 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	13 ms	2256 KB	Output is correct
38	Correct	13 ms	2652 KB	Output is correct
39	Correct	28 ms	4444 KB	Output is correct
40	Correct	29 ms	4440 KB	Output is correct
41	Correct	63 ms	8528 KB	Output is correct
42	Correct	52 ms	6992 KB	Output is correct
43	Correct	16 ms	4188 KB	Output is correct
44	Correct	34 ms	7508 KB	Output is correct
45	Correct	38 ms	8240 KB	Output is correct
46	Correct	25 ms	4432 KB	Output is correct
47	Correct	35 ms	5104 KB	Output is correct
48	Correct	29 ms	5200 KB	Output is correct
49	Correct	60 ms	10068 KB	Output is correct
50	Correct	44 ms	7756 KB	Output is correct
51	Correct	34 ms	5544 KB	Output is correct
52	Correct	44 ms	7764 KB	Output is correct
53	Correct	36 ms	7764 KB	Output is correct
54	Correct	40 ms	8628 KB	Output is correct
55	Correct	55 ms	9556 KB	Output is correct

Submission #1096314

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