QOJ.ac

QOJ

Süre Sınırı: 1.0 s Bellek Sınırı: 256 MB Toplam puan: 100 Zorluk: [göster] Hack'lenebilir ✓

#14435. 又一道構造題

İstatistikler

給定一個長度為 $n$ 的排列 $a$,以及正整數 $k$ 和 $m$($1 \le k \le m \le n$)。

請你判斷是否存在一個 $a$ 的長度為 $m$ 的子序列 $b$,滿足 $b$ 的最長遞增子序列的長度等於 $k$。如果存在這樣的子序列,請輸出其中任意一個正確的子序列。

輸入格式

第一行包含三個整數 $n, m, k$($1 \le k \le m \le n \le 5\,000$)—— 排列的長度、子序列 $b$ 的長度,以及 $b$ 的最長遞增子序列的長度。

輸出格式

第一行輸出 “Yes” 或 “No”。評測時不區分大小寫。

如果存在這樣的子序列,在第二行輸出滿足條件的子序列之一。

範例

輸入格式 1

5 2 2
4 5 3 2 1

輸出格式 1

Yes
4 5

輸入格式 2

5 2 2
5 4 3 2 1

輸出格式 2

No

輸入格式 3

6 4 2
1 3 4 2 6 5

輸出格式 3

Yes
4 2 6 5

Editorials

IDTypeStatusTitlePosted ByLast UpdatedActions
#373EditorialOpen题解jianglyView

Discussions

About Discussions

The discussion section is only for posting: General Discussions (problem-solving strategies, alternative approaches), and Off-topic conversations.

This is NOT for reporting issues! If you want to report bugs or errors, please use the Issues section below.

Open Discussions 0
No discussions in this category.

Issues

About Issues

If you find any issues with the problem (statement, scoring, time/memory limits, test cases, etc.), you may submit an issue here. A problem moderator will review your issue.

Guidelines:

  1. This is not a place to publish discussions, editorials, or requests to debug your code. Issues are only visible to you and problem moderators.
  2. Do not submit duplicated issues.
  3. Issues must be filed in English or Chinese only.
Active Issues 0
No issues in this category.
Closed/Resolved Issues 0
No issues in this category.