답안 #853038

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
853038	2023-09-23T10:54:33 Z	lovrot	Global Warming (CEOI18_glo)	C++17	100 / 100	61 ms	4020 KB

#include <cstdio> 
#include <algorithm>

using namespace std;

const int N = 2e5 + 10;
const int oo = 2e9 + 10;

int n, x, A[N]; 

int LIS[N], L[N];

int main() {
	scanf("%d%d", &n, &x); 
	for(int i = 0; i < n; ++i) LIS[i] = oo;
	for(int i = 0; i < n; ++i) {
		scanf("%d", A + i); 
		int j = lower_bound(LIS, LIS + n, A[i]) - LIS;
		LIS[j] = A[i]; 
		L[i] = j;
	}
	for(int i = 0; i < n; ++i) LIS[i] = -oo;
	int ans = 0;
	for(int i = n - 1; i >= 0; --i) {
		ans = max(ans, (int) (lower_bound(LIS, LIS + n, A[i] - x, [](int a, int b) {
			return a > b;
		}) - LIS) + L[i] + 1);
		int j = lower_bound(LIS, LIS + n, A[i], [](int a, int b) { return a > b; }) - LIS; 
		LIS[j] = A[i];
	}
	printf("%d\n", ans);
	return 0;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d%d", &n, &x);
      |  ~~~~~^~~~~~~~~~~~~~~~
glo.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d", A + i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	360 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	360 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	1 ms	440 KB	Output is correct
22	Correct	0 ms	436 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	432 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	53 ms	3836 KB	Output is correct
2	Correct	54 ms	4020 KB	Output is correct
3	Correct	53 ms	4020 KB	Output is correct
4	Correct	55 ms	3904 KB	Output is correct
5	Correct	43 ms	3296 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	1628 KB	Output is correct
2	Correct	12 ms	1404 KB	Output is correct
3	Correct	13 ms	1372 KB	Output is correct
4	Correct	12 ms	1116 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	10 ms	1116 KB	Output is correct
7	Correct	10 ms	1512 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	2140 KB	Output is correct
2	Correct	23 ms	2284 KB	Output is correct
3	Correct	47 ms	4020 KB	Output is correct
4	Correct	39 ms	3472 KB	Output is correct
5	Correct	20 ms	1880 KB	Output is correct
6	Correct	40 ms	3408 KB	Output is correct
7	Correct	36 ms	3924 KB	Output is correct
8	Correct	20 ms	2136 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	360 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	1 ms	440 KB	Output is correct
22	Correct	0 ms	436 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	432 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	53 ms	3836 KB	Output is correct
28	Correct	54 ms	4020 KB	Output is correct
29	Correct	53 ms	4020 KB	Output is correct
30	Correct	55 ms	3904 KB	Output is correct
31	Correct	43 ms	3296 KB	Output is correct
32	Correct	13 ms	1628 KB	Output is correct
33	Correct	12 ms	1404 KB	Output is correct
34	Correct	13 ms	1372 KB	Output is correct
35	Correct	12 ms	1116 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	10 ms	1116 KB	Output is correct
38	Correct	10 ms	1512 KB	Output is correct
39	Correct	23 ms	2140 KB	Output is correct
40	Correct	23 ms	2284 KB	Output is correct
41	Correct	47 ms	4020 KB	Output is correct
42	Correct	39 ms	3472 KB	Output is correct
43	Correct	20 ms	1880 KB	Output is correct
44	Correct	40 ms	3408 KB	Output is correct
45	Correct	36 ms	3924 KB	Output is correct
46	Correct	20 ms	2136 KB	Output is correct
47	Correct	25 ms	2344 KB	Output is correct
48	Correct	25 ms	2340 KB	Output is correct
49	Correct	61 ms	4016 KB	Output is correct
50	Correct	39 ms	3368 KB	Output is correct
51	Correct	30 ms	2900 KB	Output is correct
52	Correct	40 ms	3392 KB	Output is correct
53	Correct	38 ms	3408 KB	Output is correct
54	Correct	38 ms	3932 KB	Output is correct
55	Correct	49 ms	4020 KB	Output is correct

답안 #853038

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