답안 #470289

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
470289	2021-09-03T11:28:32 Z	mychecksedad	Global Warming (CEOI18_glo)	C++17	100 / 100	64 ms	5848 KB

#include<bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
typedef long long int ll;
#define pb push_back
int n, ans = 0;
ll arr[N], x, dp[N];
int main(){
	cin.tie(0); ios::sync_with_stdio(0);
	cin >> n >> x;
	for(int i = 1; i <= n; i++) cin >> arr[i];
	vector<int> lis(1, 0);
	for(int j = 1; j <= n; j++){
		int pos = lower_bound(lis.begin(), lis.end(), arr[j]) - lis.begin();
		if(pos == int(lis.size())) lis.pb(arr[j]);
		else lis[pos] = arr[j];
		dp[j] = pos;
	}
	lis.clear();
	lis.pb(-1e9);
	for(int i = n; i >= 1; i--){
		int new_pos = lower_bound(lis.begin(), lis.end(), -(arr[i] - x)) - lis.begin();
		ans = max(ll(dp[i] + new_pos)-1, ll(ans));
		int pos = lower_bound(lis.begin(), lis.end(), -arr[i]) - lis.begin();
		if(pos == lis.size()) lis.pb(-arr[i]);
		else lis[pos] = -arr[i];
	}
	cout << ans;



	return 0;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:25:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   if(pos == lis.size()) lis.pb(-arr[i]);
      |      ~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	216 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	216 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	63 ms	3524 KB	Output is correct
2	Correct	60 ms	3436 KB	Output is correct
3	Correct	56 ms	3436 KB	Output is correct
4	Correct	57 ms	3376 KB	Output is correct
5	Correct	35 ms	3832 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	1092 KB	Output is correct
2	Correct	13 ms	1112 KB	Output is correct
3	Correct	14 ms	1068 KB	Output is correct
4	Correct	10 ms	1300 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	10 ms	1612 KB	Output is correct
7	Correct	12 ms	1488 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	1868 KB	Output is correct
2	Correct	27 ms	2832 KB	Output is correct
3	Correct	55 ms	5256 KB	Output is correct
4	Correct	37 ms	5060 KB	Output is correct
5	Correct	19 ms	2768 KB	Output is correct
6	Correct	34 ms	4900 KB	Output is correct
7	Correct	37 ms	5580 KB	Output is correct
8	Correct	23 ms	2864 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	216 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	63 ms	3524 KB	Output is correct
28	Correct	60 ms	3436 KB	Output is correct
29	Correct	56 ms	3436 KB	Output is correct
30	Correct	57 ms	3376 KB	Output is correct
31	Correct	35 ms	3832 KB	Output is correct
32	Correct	13 ms	1092 KB	Output is correct
33	Correct	13 ms	1112 KB	Output is correct
34	Correct	14 ms	1068 KB	Output is correct
35	Correct	10 ms	1300 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	10 ms	1612 KB	Output is correct
38	Correct	12 ms	1488 KB	Output is correct
39	Correct	26 ms	1868 KB	Output is correct
40	Correct	27 ms	2832 KB	Output is correct
41	Correct	55 ms	5256 KB	Output is correct
42	Correct	37 ms	5060 KB	Output is correct
43	Correct	19 ms	2768 KB	Output is correct
44	Correct	34 ms	4900 KB	Output is correct
45	Correct	37 ms	5580 KB	Output is correct
46	Correct	23 ms	2864 KB	Output is correct
47	Correct	27 ms	2808 KB	Output is correct
48	Correct	31 ms	2820 KB	Output is correct
49	Correct	64 ms	5352 KB	Output is correct
50	Correct	36 ms	5112 KB	Output is correct
51	Correct	30 ms	4036 KB	Output is correct
52	Correct	43 ms	5216 KB	Output is correct
53	Correct	31 ms	5204 KB	Output is correct
54	Correct	42 ms	5848 KB	Output is correct
55	Correct	51 ms	5308 KB	Output is correct

답안 #470289

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