Submission #199663

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
199663	2020-02-02T13:32:07 Z	gratus907	Global Warming (CEOI18_glo)	C++17	100 / 100	177 ms	8616 KB

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#define ll long long
#define eps 1e-7
#define sz(v) ((int)(v).size())
#define all(x) ((x).begin()),((x).end())
#define usecppio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
using pii = pair<int, int>;
#define int ll

inline int count_element(vector <int> & v, int x, bool incl)
{
    auto ed = v.end();
    auto st = v.begin();
    if (incl)
        ed = upper_bound(all(v),x);
    else
        ed = lower_bound(all(v),x);
    return (ed - st);
}

int seq[202020];
int indlist[202020];
int n, x, ans;
int32_t main()
{
    cin >> n >> x;
    for (int i = 0; i<n; i++) indlist[i] = n;
    vector<int> lis_front(n+1, INT_MAX);
    vector<int> lds_back(n+1, -INT_MAX);
    for (int i = 0; i<n; i++)
        cin >> seq[i];
    lis_front[0] = -1;
    lds_back[n] = INT_MAX;
    for (int i = 0; i<n; i++)
    {
        int ind = count_element(lis_front, seq[i], false);
        lis_front[ind] = seq[i];
        ans = max(ans, ind);
        indlist[i] += ind;
    }
    for (int i = n-1; i>=0; i--)
    {
        int ind = count_element(lds_back, seq[i]-x+1, false);
        ans = max(ans, indlist[i]-ind);
        int orind = count_element(lds_back, seq[i], true);
        lds_back[orind-1] = seq[i];
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	504 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	12 ms	380 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	504 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	12 ms	380 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	504 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	12 ms	380 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	6 ms	376 KB	Output is correct
20	Correct	6 ms	376 KB	Output is correct
21	Correct	6 ms	376 KB	Output is correct
22	Correct	6 ms	376 KB	Output is correct
23	Correct	6 ms	376 KB	Output is correct
24	Correct	6 ms	376 KB	Output is correct
25	Correct	6 ms	376 KB	Output is correct
26	Correct	6 ms	376 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	171 ms	8568 KB	Output is correct
2	Correct	177 ms	8568 KB	Output is correct
3	Correct	176 ms	8568 KB	Output is correct
4	Correct	173 ms	8616 KB	Output is correct
5	Correct	124 ms	7800 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	45 ms	2428 KB	Output is correct
2	Correct	46 ms	2428 KB	Output is correct
3	Correct	46 ms	2428 KB	Output is correct
4	Correct	34 ms	2168 KB	Output is correct
5	Correct	5 ms	248 KB	Output is correct
6	Correct	33 ms	2168 KB	Output is correct
7	Correct	44 ms	2424 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	85 ms	4472 KB	Output is correct
2	Correct	86 ms	4472 KB	Output is correct
3	Correct	164 ms	8568 KB	Output is correct
4	Correct	126 ms	7800 KB	Output is correct
5	Correct	64 ms	4088 KB	Output is correct
6	Correct	114 ms	7416 KB	Output is correct
7	Correct	151 ms	8184 KB	Output is correct
8	Correct	83 ms	4472 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	504 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	12 ms	380 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	6 ms	376 KB	Output is correct
20	Correct	6 ms	376 KB	Output is correct
21	Correct	6 ms	376 KB	Output is correct
22	Correct	6 ms	376 KB	Output is correct
23	Correct	6 ms	376 KB	Output is correct
24	Correct	6 ms	376 KB	Output is correct
25	Correct	6 ms	376 KB	Output is correct
26	Correct	6 ms	376 KB	Output is correct
27	Correct	171 ms	8568 KB	Output is correct
28	Correct	177 ms	8568 KB	Output is correct
29	Correct	176 ms	8568 KB	Output is correct
30	Correct	173 ms	8616 KB	Output is correct
31	Correct	124 ms	7800 KB	Output is correct
32	Correct	45 ms	2428 KB	Output is correct
33	Correct	46 ms	2428 KB	Output is correct
34	Correct	46 ms	2428 KB	Output is correct
35	Correct	34 ms	2168 KB	Output is correct
36	Correct	5 ms	248 KB	Output is correct
37	Correct	33 ms	2168 KB	Output is correct
38	Correct	44 ms	2424 KB	Output is correct
39	Correct	85 ms	4472 KB	Output is correct
40	Correct	86 ms	4472 KB	Output is correct
41	Correct	164 ms	8568 KB	Output is correct
42	Correct	126 ms	7800 KB	Output is correct
43	Correct	64 ms	4088 KB	Output is correct
44	Correct	114 ms	7416 KB	Output is correct
45	Correct	151 ms	8184 KB	Output is correct
46	Correct	83 ms	4472 KB	Output is correct
47	Correct	87 ms	4600 KB	Output is correct
48	Correct	86 ms	4472 KB	Output is correct
49	Correct	175 ms	8544 KB	Output is correct
50	Correct	121 ms	7928 KB	Output is correct
51	Correct	92 ms	5880 KB	Output is correct
52	Correct	129 ms	7928 KB	Output is correct
53	Correct	125 ms	7928 KB	Output is correct
54	Correct	155 ms	8568 KB	Output is correct
55	Correct	161 ms	8568 KB	Output is correct

Submission #199663

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