답안 #413094

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
413094	2021-05-28T08:37:11 Z	hhh07	Global Warming (CEOI18_glo)	C++14	100 / 100	68 ms	6928 KB

#include <iostream>
#include <algorithm>
#include <cmath>
#include <map>
#include <climits>
#include <vector>
#include <queue>
#include <utility>
#include <iomanip>
#include <cstring>
#include <sstream>
#include <string>
#include <stack>

using namespace std;

typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll, ll> ii;

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);
    ll n, x;
    cin >> n >> x;
    ll t[n];
    for (int i = 0; i < n; i++)
        cin >> t[i];

    vi dp(n, INT_MAX), pref(n);
    ll res = 0;
    for (int i = 0; i < n; i++){
        ll j = lower_bound(dp.begin(), dp.end(), t[i]) - dp.begin();
        
        dp[j] = t[i];
        pref[i] = j + 1;
        res = max(res, j + 1);
    }

    dp.assign(n, INT_MAX);

    for (int i = n - 1; i >= 0; i--){
        int j = lower_bound(dp.begin(), dp.end(), -t[i] + x) - dp.begin();

        res = max(res, pref[i] + j);

        j = lower_bound(dp.begin(), dp.end(), -t[i]) - dp.begin();
        dp[j] = -t[i];

    }


    cout << res << endl;
}

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	312 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 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	312 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 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	312 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 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	332 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	316 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	63 ms	6924 KB	Output is correct
2	Correct	68 ms	6928 KB	Output is correct
3	Correct	66 ms	6852 KB	Output is correct
4	Correct	67 ms	6928 KB	Output is correct
5	Correct	46 ms	6084 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	1868 KB	Output is correct
2	Correct	16 ms	1868 KB	Output is correct
3	Correct	16 ms	1952 KB	Output is correct
4	Correct	14 ms	1788 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	12 ms	1736 KB	Output is correct
7	Correct	13 ms	1996 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	34 ms	3532 KB	Output is correct
2	Correct	34 ms	3624 KB	Output is correct
3	Correct	58 ms	6832 KB	Output is correct
4	Correct	48 ms	6160 KB	Output is correct
5	Correct	24 ms	3148 KB	Output is correct
6	Correct	47 ms	5872 KB	Output is correct
7	Correct	45 ms	6532 KB	Output is correct
8	Correct	25 ms	3636 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	312 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 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	332 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	316 KB	Output is correct
27	Correct	63 ms	6924 KB	Output is correct
28	Correct	68 ms	6928 KB	Output is correct
29	Correct	66 ms	6852 KB	Output is correct
30	Correct	67 ms	6928 KB	Output is correct
31	Correct	46 ms	6084 KB	Output is correct
32	Correct	16 ms	1868 KB	Output is correct
33	Correct	16 ms	1868 KB	Output is correct
34	Correct	16 ms	1952 KB	Output is correct
35	Correct	14 ms	1788 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	12 ms	1736 KB	Output is correct
38	Correct	13 ms	1996 KB	Output is correct
39	Correct	34 ms	3532 KB	Output is correct
40	Correct	34 ms	3624 KB	Output is correct
41	Correct	58 ms	6832 KB	Output is correct
42	Correct	48 ms	6160 KB	Output is correct
43	Correct	24 ms	3148 KB	Output is correct
44	Correct	47 ms	5872 KB	Output is correct
45	Correct	45 ms	6532 KB	Output is correct
46	Correct	25 ms	3636 KB	Output is correct
47	Correct	30 ms	3604 KB	Output is correct
48	Correct	31 ms	3636 KB	Output is correct
49	Correct	63 ms	6848 KB	Output is correct
50	Correct	46 ms	6084 KB	Output is correct
51	Correct	38 ms	4684 KB	Output is correct
52	Correct	56 ms	6212 KB	Output is correct
53	Correct	42 ms	6212 KB	Output is correct
54	Correct	59 ms	6852 KB	Output is correct
55	Correct	52 ms	6860 KB	Output is correct

답안 #413094

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