답안 #148092

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
148092	2019-08-31T13:48:15 Z	WhipppedCream	Global Warming (CEOI18_glo)	C++17	100 / 100	102 ms	4988 KB

#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef pair<int, int> ii;
typedef long long ll;

int n, x;
const int maxn = 2e5+5;
int arr[maxn];
int L[maxn];
int lis[maxn];
int lds[maxn];

int main()
{
	scanf("%d %d", &n, &x);
	for(int i = 1; i<= n; i++) scanf("%d", arr+i);
	int cur = 0;
	for(int i = n; i>= 1; i--)
	{
		int tmp = lower_bound(L, L+cur, -arr[i])-L;
		L[tmp] = -arr[i];
		cur = max(cur, tmp+1);
		lds[i] = tmp+1;
	}
	cur = 0;
	int best = 0;
	for(int i = 1; i<= n; i++)
	{
		best = max(best, lds[i]+(int) (lower_bound(L, L+cur, arr[i]+x)-L));
		int tmp = lower_bound(L, L+cur, arr[i])-L;
		L[tmp] = arr[i];
		cur = max(cur, tmp+1);
		lis[i] = cur;
		//printf("%d: %d\n", i, best);
	}
	best = max(best, lis[n]);
	printf("%d\n", best);
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~
glo.cpp:19:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i<= n; i++) scanf("%d", arr+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	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	380 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	376 KB	Output is correct
11	Correct	2 ms	380 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	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	380 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	376 KB	Output is correct
11	Correct	2 ms	380 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	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	380 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	376 KB	Output is correct
11	Correct	2 ms	380 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	3 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 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	78 ms	4592 KB	Output is correct
2	Correct	78 ms	4600 KB	Output is correct
3	Correct	78 ms	4588 KB	Output is correct
4	Correct	78 ms	4600 KB	Output is correct
5	Correct	45 ms	4216 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	1360 KB	Output is correct
2	Correct	20 ms	1400 KB	Output is correct
3	Correct	20 ms	1400 KB	Output is correct
4	Correct	13 ms	1400 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	12 ms	1272 KB	Output is correct
7	Correct	16 ms	1400 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	35 ms	2424 KB	Output is correct
2	Correct	38 ms	2452 KB	Output is correct
3	Correct	102 ms	4592 KB	Output is correct
4	Correct	47 ms	4220 KB	Output is correct
5	Correct	25 ms	2268 KB	Output is correct
6	Correct	42 ms	4088 KB	Output is correct
7	Correct	42 ms	4728 KB	Output is correct
8	Correct	30 ms	2424 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	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	380 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	376 KB	Output is correct
11	Correct	2 ms	380 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	3 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 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	78 ms	4592 KB	Output is correct
28	Correct	78 ms	4600 KB	Output is correct
29	Correct	78 ms	4588 KB	Output is correct
30	Correct	78 ms	4600 KB	Output is correct
31	Correct	45 ms	4216 KB	Output is correct
32	Correct	20 ms	1360 KB	Output is correct
33	Correct	20 ms	1400 KB	Output is correct
34	Correct	20 ms	1400 KB	Output is correct
35	Correct	13 ms	1400 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	12 ms	1272 KB	Output is correct
38	Correct	16 ms	1400 KB	Output is correct
39	Correct	35 ms	2424 KB	Output is correct
40	Correct	38 ms	2452 KB	Output is correct
41	Correct	102 ms	4592 KB	Output is correct
42	Correct	47 ms	4220 KB	Output is correct
43	Correct	25 ms	2268 KB	Output is correct
44	Correct	42 ms	4088 KB	Output is correct
45	Correct	42 ms	4728 KB	Output is correct
46	Correct	30 ms	2424 KB	Output is correct
47	Correct	39 ms	2492 KB	Output is correct
48	Correct	39 ms	2416 KB	Output is correct
49	Correct	78 ms	4600 KB	Output is correct
50	Correct	45 ms	4216 KB	Output is correct
51	Correct	38 ms	3320 KB	Output is correct
52	Correct	47 ms	4320 KB	Output is correct
53	Correct	42 ms	4380 KB	Output is correct
54	Correct	44 ms	4988 KB	Output is correct
55	Correct	63 ms	4620 KB	Output is correct

답안 #148092

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