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这题还有别的做法吗？我用的maxflow(relabel)+2分+floyd,非常慢的样子,

Posted by Iambitious at 2007-05-12 09:48:29 on Problem 3228

Followed by:

并查集 (36) Sempr 2007-05-12 09:50:52
- Re:并查集 (54) Iambitious 2007-05-12 09:56:45
  - Re:并查集 (34) Iambitious 2007-05-12 09:57:25
    - Re:并查集 (52) Iambitious 2007-05-12 10:08:59
      - 俺按sempr说的做是15Ms (36) ASCII 2007-05-16 12:58:50
- 谢谢sempr大牛 (40) ASCII 2007-05-16 12:58:19
为何要Floyd?不仅减速而且影响正确性 (0) Snow_storm 2010-12-29 20:57:15

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