답안 #86089 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
86089	2018-11-24T18:48:26 Z	zubec	Global Warming (CEOI18_glo)	C++14	100 / 100	77 ms	37368 KB

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;

const int N = 200100;
const int MAX = 1000000100;

int n, d, pref[N], a[N], mx_posl[N], suff[N];

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

    cin >> n >> d;
    pref[0] = -MAX;
    for (int i = 1; i <= n; i++){
        pref[i] = MAX;
    }
    int ans = 0;
    for (int i = 1; i <= n; i++){
        int l = 0, r = i;
        cin >> a[i];
        while(l < r){
            int mid = (l+r)>>1;
            if (pref[mid] < a[i])
                l = mid+1; else
                r = mid;
        }
        pref[l] = min(pref[l], a[i]);
        mx_posl[i] = l;
        ans = max(ans, l);
    }
    for (int i = 1; i <= n; i++){
        suff[i] = -MAX;
    }
    suff[n+1] = MAX;
    for (int i = n; i >= 1; i--){
        int l = i, r = n+1;
        while(l < r){
            int mid = (l+r+1)>>1;
            if (suff[mid] > a[i]-d)
                r = mid-1; else
                l = mid;
        }
        ans = max(ans, mx_posl[i]+n-l);
        //cout << i << ' ' << l << ' ' << mx_posl[i]+n-l << ' ';
        l = i, r = n+1;
        while(l < r){
            int mid = (l+r+1)>>1;
            if (suff[mid] > a[i])
                r = mid-1; else
                l = mid;
        }
        //cout <<  l << endl;
        suff[l] = max(suff[l], a[i]);
    }
    cout << ans;

}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	3 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	624 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	1 ms	624 KB	Output is correct
9	Correct	2 ms	624 KB	Output is correct
10	Correct	2 ms	624 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	3 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	624 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	1 ms	624 KB	Output is correct
9	Correct	2 ms	624 KB	Output is correct
10	Correct	2 ms	624 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	624 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	788 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	804 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	3 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	624 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	1 ms	624 KB	Output is correct
9	Correct	2 ms	624 KB	Output is correct
10	Correct	2 ms	624 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	624 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	788 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	804 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	820 KB	Output is correct
21	Correct	2 ms	852 KB	Output is correct
22	Correct	2 ms	876 KB	Output is correct
23	Correct	2 ms	904 KB	Output is correct
24	Correct	2 ms	928 KB	Output is correct
25	Correct	2 ms	936 KB	Output is correct
26	Correct	2 ms	940 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	5932 KB	Output is correct
2	Correct	75 ms	7860 KB	Output is correct
3	Correct	74 ms	9912 KB	Output is correct
4	Correct	77 ms	11836 KB	Output is correct
5	Correct	41 ms	12992 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	12992 KB	Output is correct
2	Correct	25 ms	12992 KB	Output is correct
3	Correct	19 ms	12992 KB	Output is correct
4	Correct	11 ms	12992 KB	Output is correct
5	Correct	2 ms	12992 KB	Output is correct
6	Correct	11 ms	12992 KB	Output is correct
7	Correct	16 ms	13112 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	34 ms	14856 KB	Output is correct
2	Correct	34 ms	15720 KB	Output is correct
3	Correct	66 ms	19296 KB	Output is correct
4	Correct	41 ms	20548 KB	Output is correct
5	Correct	20 ms	20548 KB	Output is correct
6	Correct	55 ms	22012 KB	Output is correct
7	Correct	50 ms	24000 KB	Output is correct
8	Correct	29 ms	24000 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	3 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	624 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	1 ms	624 KB	Output is correct
9	Correct	2 ms	624 KB	Output is correct
10	Correct	2 ms	624 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	624 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	788 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	804 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	820 KB	Output is correct
21	Correct	2 ms	852 KB	Output is correct
22	Correct	2 ms	876 KB	Output is correct
23	Correct	2 ms	904 KB	Output is correct
24	Correct	2 ms	928 KB	Output is correct
25	Correct	2 ms	936 KB	Output is correct
26	Correct	2 ms	940 KB	Output is correct
27	Correct	75 ms	5932 KB	Output is correct
28	Correct	75 ms	7860 KB	Output is correct
29	Correct	74 ms	9912 KB	Output is correct
30	Correct	77 ms	11836 KB	Output is correct
31	Correct	41 ms	12992 KB	Output is correct
32	Correct	18 ms	12992 KB	Output is correct
33	Correct	25 ms	12992 KB	Output is correct
34	Correct	19 ms	12992 KB	Output is correct
35	Correct	11 ms	12992 KB	Output is correct
36	Correct	2 ms	12992 KB	Output is correct
37	Correct	11 ms	12992 KB	Output is correct
38	Correct	16 ms	13112 KB	Output is correct
39	Correct	34 ms	14856 KB	Output is correct
40	Correct	34 ms	15720 KB	Output is correct
41	Correct	66 ms	19296 KB	Output is correct
42	Correct	41 ms	20548 KB	Output is correct
43	Correct	20 ms	20548 KB	Output is correct
44	Correct	55 ms	22012 KB	Output is correct
45	Correct	50 ms	24000 KB	Output is correct
46	Correct	29 ms	24000 KB	Output is correct
47	Correct	36 ms	24420 KB	Output is correct
48	Correct	36 ms	25512 KB	Output is correct
49	Correct	77 ms	28924 KB	Output is correct
50	Correct	41 ms	30080 KB	Output is correct
51	Correct	37 ms	30124 KB	Output is correct
52	Correct	41 ms	32256 KB	Output is correct
53	Correct	48 ms	33492 KB	Output is correct
54	Correct	55 ms	35392 KB	Output is correct
55	Correct	62 ms	37368 KB	Output is correct

답안 #86089

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