답안 #580561

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
580561	2022-06-21T12:36:26 Z	talant117408	Global Warming (CEOI18_glo)	C++17	100 / 100	58 ms	2768 KB

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define long                unsigned long 
#define pb                  push_back
#define mp                  make_pair
#define all(v)              (v).begin(),(v).end()
#define rall(v)             (v).rbegin(),(v).rend()
#define lb                  lower_bound
#define ub                  upper_bound
#define sz(v)               int((v).size())
#define do_not_disturb      ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl                '\n'

void solve() {
    int n, x;
    const int INF = 2e9+2e6;
    cin >> n >> x;
    vector <int> v(n);
    for (auto &to : v) cin >> to;
    vector <int> dp(n, INF);
    vector <int> pref(n);
    int ans = 0;
    for (int i = 0; i < n; i++) {
        int it = lb(all(dp), v[i])-dp.begin();
        ans = max(ans, it+1);
        dp[it] = v[i];
        pref[i] = it+1;
    }
    fill(all(dp), INF);
    for (int i = n-1; i >= 0; i--) {
        int it = lb(all(dp), -v[i]+x)-dp.begin();
        ans = max(ans, pref[i]+it);
        it = lb(all(dp), -v[i])-dp.begin();
        dp[it] = -v[i];
    }
    cout << ans;
}

int main() {
    do_not_disturb
    
    int t = 1;
    //~ cin >> t;
    while (t--) {
        solve();
    }
    
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	2640 KB	Output is correct
2	Correct	58 ms	2644 KB	Output is correct
3	Correct	54 ms	2628 KB	Output is correct
4	Correct	56 ms	2676 KB	Output is correct
5	Correct	40 ms	2768 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	852 KB	Output is correct
2	Correct	14 ms	852 KB	Output is correct
3	Correct	15 ms	852 KB	Output is correct
4	Correct	12 ms	912 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	12 ms	852 KB	Output is correct
7	Correct	11 ms	852 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	29 ms	1500 KB	Output is correct
2	Correct	26 ms	1492 KB	Output is correct
3	Correct	49 ms	2660 KB	Output is correct
4	Correct	41 ms	2672 KB	Output is correct
5	Correct	23 ms	1492 KB	Output is correct
6	Correct	36 ms	2544 KB	Output is correct
7	Correct	36 ms	2516 KB	Output is correct
8	Correct	22 ms	1492 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	57 ms	2640 KB	Output is correct
28	Correct	58 ms	2644 KB	Output is correct
29	Correct	54 ms	2628 KB	Output is correct
30	Correct	56 ms	2676 KB	Output is correct
31	Correct	40 ms	2768 KB	Output is correct
32	Correct	14 ms	852 KB	Output is correct
33	Correct	14 ms	852 KB	Output is correct
34	Correct	15 ms	852 KB	Output is correct
35	Correct	12 ms	912 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	12 ms	852 KB	Output is correct
38	Correct	11 ms	852 KB	Output is correct
39	Correct	29 ms	1500 KB	Output is correct
40	Correct	26 ms	1492 KB	Output is correct
41	Correct	49 ms	2660 KB	Output is correct
42	Correct	41 ms	2672 KB	Output is correct
43	Correct	23 ms	1492 KB	Output is correct
44	Correct	36 ms	2544 KB	Output is correct
45	Correct	36 ms	2516 KB	Output is correct
46	Correct	22 ms	1492 KB	Output is correct
47	Correct	29 ms	1488 KB	Output is correct
48	Correct	27 ms	1492 KB	Output is correct
49	Correct	54 ms	2644 KB	Output is correct
50	Correct	37 ms	2644 KB	Output is correct
51	Correct	35 ms	2004 KB	Output is correct
52	Correct	45 ms	2656 KB	Output is correct
53	Correct	37 ms	2648 KB	Output is correct
54	Correct	39 ms	2644 KB	Output is correct
55	Correct	41 ms	2652 KB	Output is correct

답안 #580561

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