답안 #99571 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
99571	2019-03-05T10:48:41 Z	Mercenary	Global Warming (CEOI18_glo)	C++14	100 / 100	62 ms	4216 KB

#include<bits/stdc++.h>

using namespace std;
#define taskname "TEST"
#define pb	push_back
#define mp 	make_pair
typedef long double ld;
typedef long long ll;
typedef pair<int,int> ii;
const int maxn = 2e5 + 5;

int n , x , a[maxn];
int prefix[maxn];

void enter()
{
    cin >> n >> x;
    for(int i = 1 ; i <= n ; ++i)
        cin >> a[i];
}

int b[maxn];

void solve()
{
    int m = 0;
    for(int i = 1 ; i <= n ; ++i)
    {
        int k = lower_bound(b + 1 , b + m + 1 , a[i]) - b;
        b[k] = a[i];
        m = max(m , k);
        prefix[i] = k;
    }
    int res = 0;
    m = 0;
    for(int i = n ; i >= 1 ; --i)
    {
        res = max(res , min(m , int(lower_bound(b + 1 , b + m + 1 , a[i] , greater<int>()) - b) - 1) + prefix[i]);
        int k = lower_bound(b + 1 , b + m + 1 , a[i] + x , greater<int>()) - b;
        b[k] = a[i] + x;
        m = max(m , k);
    }
    cout << res;
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	if(fopen(taskname".INP","r"))
        freopen(taskname".INP", "r",stdin) ,
        freopen(taskname".OUT", "w",stdout);
    enter();
    solve();
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:51:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(taskname".INP", "r",stdin) ,
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
         freopen(taskname".OUT", "w",stdout);
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
glo.cpp:51:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	512 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	512 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	512 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	512 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	512 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	3832 KB	Output is correct
2	Correct	58 ms	3824 KB	Output is correct
3	Correct	59 ms	3960 KB	Output is correct
4	Correct	60 ms	3832 KB	Output is correct
5	Correct	37 ms	3448 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	1152 KB	Output is correct
2	Correct	18 ms	1280 KB	Output is correct
3	Correct	16 ms	1280 KB	Output is correct
4	Correct	10 ms	1152 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	10 ms	1152 KB	Output is correct
7	Correct	14 ms	1280 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	2048 KB	Output is correct
2	Correct	29 ms	2048 KB	Output is correct
3	Correct	58 ms	3796 KB	Output is correct
4	Correct	41 ms	3456 KB	Output is correct
5	Correct	21 ms	1912 KB	Output is correct
6	Correct	34 ms	3448 KB	Output is correct
7	Correct	35 ms	4088 KB	Output is correct
8	Correct	29 ms	2068 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	512 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	512 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	59 ms	3832 KB	Output is correct
28	Correct	58 ms	3824 KB	Output is correct
29	Correct	59 ms	3960 KB	Output is correct
30	Correct	60 ms	3832 KB	Output is correct
31	Correct	37 ms	3448 KB	Output is correct
32	Correct	15 ms	1152 KB	Output is correct
33	Correct	18 ms	1280 KB	Output is correct
34	Correct	16 ms	1280 KB	Output is correct
35	Correct	10 ms	1152 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	10 ms	1152 KB	Output is correct
38	Correct	14 ms	1280 KB	Output is correct
39	Correct	26 ms	2048 KB	Output is correct
40	Correct	29 ms	2048 KB	Output is correct
41	Correct	58 ms	3796 KB	Output is correct
42	Correct	41 ms	3456 KB	Output is correct
43	Correct	21 ms	1912 KB	Output is correct
44	Correct	34 ms	3448 KB	Output is correct
45	Correct	35 ms	4088 KB	Output is correct
46	Correct	29 ms	2068 KB	Output is correct
47	Correct	34 ms	2148 KB	Output is correct
48	Correct	45 ms	2044 KB	Output is correct
49	Correct	62 ms	3856 KB	Output is correct
50	Correct	58 ms	3448 KB	Output is correct
51	Correct	49 ms	2680 KB	Output is correct
52	Correct	56 ms	3576 KB	Output is correct
53	Correct	33 ms	3576 KB	Output is correct
54	Correct	38 ms	4216 KB	Output is correct
55	Correct	55 ms	3832 KB	Output is correct

답안 #99571

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