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답안 #493209

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
493209 2021-12-10T11:14:35 Z Rainbowbunny Global Warming (CEOI18_glo) C++17
100 / 100
 55 ms 4620 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 2e5 + 5;
const int INF = 1e9;

int n, x, sz, ans;
int a[MAXN];
int lds[MAXN], dp[MAXN];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> x;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
        dp[i] = -INF;
    }
    dp[0] = INF;
    for(int i = n; i >= 1; i--)
    {
        int id = lower_bound(dp, dp + sz + 1, a[i], greater <int> ()) - dp;
        lds[i] = id;
        dp[id] = max(dp[id], a[i]);
        sz = max(sz, id);
    }
    ans = sz;
    sz = 0;
    for(int i = 1; i <= n; i++)
    {
        dp[i] = INF;
    }
    dp[0] = -INF;
    for(int i = 1; i <= n; i++)
    {
        int id = lower_bound(dp, dp + sz + 1, a[i]) - dp;
        int zz = upper_bound(dp, dp + sz + 1, a[i] + x - 1) - dp - 1;
        ans = max(ans, zz + lds[i]);
        dp[id] = min(dp[id], a[i]);
        sz = max(sz, id);
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 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 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 216 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

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

Subtask #3
13.0 / 13.0

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

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 4472 KB Output is correct
2 Correct 50 ms 4544 KB Output is correct
3 Correct 55 ms 4488 KB Output is correct
4 Correct 53 ms 4620 KB Output is correct
5 Correct 29 ms 3780 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 1356 KB Output is correct
2 Correct 14 ms 1404 KB Output is correct
3 Correct 12 ms 1384 KB Output is correct
4 Correct 6 ms 1100 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 6 ms 1104 KB Output is correct
7 Correct 10 ms 1408 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 2452 KB Output is correct
2 Correct 20 ms 2380 KB Output is correct
3 Correct 44 ms 4524 KB Output is correct
4 Correct 29 ms 3776 KB Output is correct
5 Correct 13 ms 2076 KB Output is correct
6 Correct 26 ms 3660 KB Output is correct
7 Correct 28 ms 4300 KB Output is correct
8 Correct 20 ms 2484 KB Output is correct

Subtask #7
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 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 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 216 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 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 320 KB Output is correct
27 Correct 50 ms 4472 KB Output is correct
28 Correct 50 ms 4544 KB Output is correct
29 Correct 55 ms 4488 KB Output is correct
30 Correct 53 ms 4620 KB Output is correct
31 Correct 29 ms 3780 KB Output is correct
32 Correct 12 ms 1356 KB Output is correct
33 Correct 14 ms 1404 KB Output is correct
34 Correct 12 ms 1384 KB Output is correct
35 Correct 6 ms 1100 KB Output is correct
36 Correct 0 ms 324 KB Output is correct
37 Correct 6 ms 1104 KB Output is correct
38 Correct 10 ms 1408 KB Output is correct
39 Correct 21 ms 2452 KB Output is correct
40 Correct 20 ms 2380 KB Output is correct
41 Correct 44 ms 4524 KB Output is correct
42 Correct 29 ms 3776 KB Output is correct
43 Correct 13 ms 2076 KB Output is correct
44 Correct 26 ms 3660 KB Output is correct
45 Correct 28 ms 4300 KB Output is correct
46 Correct 20 ms 2484 KB Output is correct
47 Correct 23 ms 2380 KB Output is correct
48 Correct 26 ms 2436 KB Output is correct
49 Correct 49 ms 4572 KB Output is correct
50 Correct 27 ms 3828 KB Output is correct
51 Correct 22 ms 2940 KB Output is correct
52 Correct 30 ms 3840 KB Output is correct
53 Correct 24 ms 3860 KB Output is correct
54 Correct 31 ms 4548 KB Output is correct
55 Correct 44 ms 4556 KB Output is correct