답안 #129014

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
129014	2019-07-11T12:30:36 Z	arnold518	Global Warming (CEOI18_glo)	C++14	100 / 100	85 ms	5752 KB

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 2e5;
const int INF = numeric_limits<int>::max();

int N, X, A[MAXN+10];
int lis[MAXN+10], lds[MAXN+10], ans;
pii change[MAXN+10];

int main()
{
    int i, j;

    scanf("%d%d", &N, &X);
    for(i=1; i<=N; i++) scanf("%d", &A[i]);

    for(i=1; i<=N; i++) lis[i]=INF;
    for(i=1; i<=N; i++)
    {
        int it=lower_bound(lis+1, lis+N+1, A[i])-lis;
        change[i]={it, lis[it]};
        lis[it]=A[i];
        ans=max(ans, it);
    }

    for(i=N; i>=1; i--)
    {
        int it=lower_bound(lds+1, lds+N+1, A[i]+X, greater<int>())-lds;
        lds[it]=A[i]+X;
        lis[change[i].first]=change[i].second;
        int jt=lower_bound(lis+1, lis+N+1, A[i]+X)-lis-1;
        ans=max(ans, it+jt);
    }
    printf("%d", ans);
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:17:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
glo.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &X);
     ~~~~~^~~~~~~~~~~~~~~~
glo.cpp:20:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%d", &A[i]);
                         ~~~~~^~~~~~~~~~~~~

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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	248 KB	Output is correct
11	Correct	2 ms	376 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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	248 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	248 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	82 ms	5416 KB	Output is correct
2	Correct	83 ms	5484 KB	Output is correct
3	Correct	84 ms	5368 KB	Output is correct
4	Correct	85 ms	5428 KB	Output is correct
5	Correct	65 ms	4980 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	1528 KB	Output is correct
2	Correct	21 ms	1656 KB	Output is correct
3	Correct	21 ms	1628 KB	Output is correct
4	Correct	17 ms	1500 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	18 ms	1528 KB	Output is correct
7	Correct	18 ms	1628 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	37 ms	2880 KB	Output is correct
2	Correct	37 ms	2936 KB	Output is correct
3	Correct	75 ms	5380 KB	Output is correct
4	Correct	62 ms	4984 KB	Output is correct
5	Correct	31 ms	2680 KB	Output is correct
6	Correct	52 ms	4900 KB	Output is correct
7	Correct	54 ms	5496 KB	Output is correct
8	Correct	31 ms	2808 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	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	248 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	82 ms	5416 KB	Output is correct
28	Correct	83 ms	5484 KB	Output is correct
29	Correct	84 ms	5368 KB	Output is correct
30	Correct	85 ms	5428 KB	Output is correct
31	Correct	65 ms	4980 KB	Output is correct
32	Correct	21 ms	1528 KB	Output is correct
33	Correct	21 ms	1656 KB	Output is correct
34	Correct	21 ms	1628 KB	Output is correct
35	Correct	17 ms	1500 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	18 ms	1528 KB	Output is correct
38	Correct	18 ms	1628 KB	Output is correct
39	Correct	37 ms	2880 KB	Output is correct
40	Correct	37 ms	2936 KB	Output is correct
41	Correct	75 ms	5380 KB	Output is correct
42	Correct	62 ms	4984 KB	Output is correct
43	Correct	31 ms	2680 KB	Output is correct
44	Correct	52 ms	4900 KB	Output is correct
45	Correct	54 ms	5496 KB	Output is correct
46	Correct	31 ms	2808 KB	Output is correct
47	Correct	41 ms	2908 KB	Output is correct
48	Correct	41 ms	2796 KB	Output is correct
49	Correct	83 ms	5340 KB	Output is correct
50	Correct	61 ms	4984 KB	Output is correct
51	Correct	48 ms	3960 KB	Output is correct
52	Correct	63 ms	5112 KB	Output is correct
53	Correct	54 ms	5112 KB	Output is correct
54	Correct	57 ms	5752 KB	Output is correct
55	Correct	67 ms	5496 KB	Output is correct

답안 #129014

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