답안 #259883

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
259883	2020-08-08T18:47:13 Z	peuch	Global Warming (CEOI18_glo)	C++17	100 / 100	83 ms	4676 KB

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

const int MAXN = 2e5 + 10;
const int INF = 2e9 + 7;

int n, x;
int v[MAXN];
int dp[MAXN];
int maxi[MAXN];
int ans;

int main(){
	scanf("%d %d", &n, &x);
	for(int i = 1; i <= n; i++)
	scanf("%d", &v[i]);
	for(int j = 1; j <= n; j++)
		dp[j] = INF;
	for(int i = 1; i <= n; i++){
		int k = lower_bound(dp, dp + 1 + n, v[i]) - dp;
		dp[k] = v[i];
		maxi[i] = k;
		ans = max(ans, k);
	}
	for(int j = 1; j <= n; j++)
		dp[j] = INF;
	dp[0] = -INF;
	for(int i = n; i > 0; i--){
		int aux = lower_bound(dp, dp + 1 + n, -v[i]) - dp;
		aux--;
		int k = lower_bound(dp, dp + 1 + n, -v[i] - x) - dp;
		dp[k] = -v[i] - x;
		ans = max(ans, maxi[i] + aux);
		ans = max(ans, k);
	}
	printf("%d\n", ans);
}

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]
  scanf("%d %d", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~
glo.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &v[i]);
  ~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

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

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	80 ms	2680 KB	Output is correct
2	Correct	80 ms	2680 KB	Output is correct
3	Correct	81 ms	2680 KB	Output is correct
4	Correct	83 ms	2680 KB	Output is correct
5	Correct	65 ms	2680 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	896 KB	Output is correct
2	Correct	20 ms	896 KB	Output is correct
3	Correct	19 ms	896 KB	Output is correct
4	Correct	16 ms	896 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	15 ms	1152 KB	Output is correct
7	Correct	26 ms	1408 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	55 ms	1656 KB	Output is correct
2	Correct	36 ms	1536 KB	Output is correct
3	Correct	74 ms	2808 KB	Output is correct
4	Correct	63 ms	2680 KB	Output is correct
5	Correct	30 ms	1536 KB	Output is correct
6	Correct	51 ms	2552 KB	Output is correct
7	Correct	62 ms	2552 KB	Output is correct
8	Correct	33 ms	1560 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	80 ms	2680 KB	Output is correct
28	Correct	80 ms	2680 KB	Output is correct
29	Correct	81 ms	2680 KB	Output is correct
30	Correct	83 ms	2680 KB	Output is correct
31	Correct	65 ms	2680 KB	Output is correct
32	Correct	21 ms	896 KB	Output is correct
33	Correct	20 ms	896 KB	Output is correct
34	Correct	19 ms	896 KB	Output is correct
35	Correct	16 ms	896 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	15 ms	1152 KB	Output is correct
38	Correct	26 ms	1408 KB	Output is correct
39	Correct	55 ms	1656 KB	Output is correct
40	Correct	36 ms	1536 KB	Output is correct
41	Correct	74 ms	2808 KB	Output is correct
42	Correct	63 ms	2680 KB	Output is correct
43	Correct	30 ms	1536 KB	Output is correct
44	Correct	51 ms	2552 KB	Output is correct
45	Correct	62 ms	2552 KB	Output is correct
46	Correct	33 ms	1560 KB	Output is correct
47	Correct	40 ms	2432 KB	Output is correct
48	Correct	40 ms	2424 KB	Output is correct
49	Correct	82 ms	4600 KB	Output is correct
50	Correct	68 ms	3920 KB	Output is correct
51	Correct	49 ms	2968 KB	Output is correct
52	Correct	62 ms	3960 KB	Output is correct
53	Correct	56 ms	4088 KB	Output is correct
54	Correct	61 ms	4676 KB	Output is correct
55	Correct	73 ms	4600 KB	Output is correct

답안 #259883

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