Good Bye 2013
G
New Year Cactus
Codeforces
3100
原题
← F→
翻译中…

Jack and Jill are tired of the New Year tree, now they've got a New Year cactus at home! A cactus is a connected undirected graph where any two simple cycles have at most one common vertex. In other words, this graph doesn't have any edges that lie on more than one simple cycle.

翻译中…

On the 31st of December they are going to decorate the cactus by hanging toys to its vertices. At most one toy is going to hang on each vertex — it's either the toy Jack hung or the toy Jill hung. It's possible for a vertex to have no toys.

翻译中…

Jack and Jill has been arguing, so they don't want any edge to connect two vertices where one vertex has Jack's toy and the other vertex has Jill's toy.

翻译中…

Jack has decided to hang $*a*$ toys. What maximum number of toys $*b*$ can Jill hang if they both cooperate to maximize this value? Your task is to write a program that finds the sought $*b*$ for all $*a*$ from 0 to the number of vertices on the New Year Cactus.

翻译中…

Input

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The first line contains two integers $*n*$ and $*m*$ ($1 ≤ *n* ≤ 2500, *n* - 1 ≤ *m*$) — the number of vertices and the number of edges, correspondingly. The next $*m*$ lines contain two integers $*a*$, $*b*$ each ($1 ≤ *a*, *b* ≤ *n*, *a* ≠ *b*$) that mean that there is an edge connecting vertices $*a*$ и $*b*$. Any pair of vertices has at most one edge between them.

翻译中…

Output

翻译中…

The first line must contain space-separated $*b*_{*a*}$ (for all $0 ≤ *a* ≤ *n*$) where $*b*_{*a*}$ equals the maximum number of Jill's toys on the cactus considering that it has $*a*$ Jack's toys. Numbers $*b*_{*a*}$ go in the order of increasing $*a*$.

翻译中…

Note

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The cactus from the second example is:

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image

翻译中…

样例

Input #1
1 0
Output #1
1 0
InputCopy OutputCopy
Input #2
16 20
1 2
3 4
5 6
6 7
7 8
9 10
10 11
11 12
13 14
15 16
1 5
9 13
14 10
10 6
6 2
15 11
11 7
7 3
16 12
8 4
Output #2
16 13 12 12 10 8 8 7 6 4 4 3 3 1 0 0 0
InputCopy OutputCopy
题目信息
题号
379G
所属比赛
时间限制
2 s
内存限制
256 MB
标签
动态规划

题面与样例版权归 Codeforces 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。