xcx0902's blog

By xcx0902, history, 7 weeks ago, In English

@atcoder_official Please consider add these to Atcoder Library.

  • About Trees
  1. LCA of two or more vertices
  2. Distance of two vertices
  • About Graphs
  1. Minimum distance (Dijkstra, Johnson, Floyd, SPFA)
  2. Tarjan Algorithm
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7 weeks ago, # |
Rev. 2   Vote: I like it +12 Vote: I do not like it

And Prime-checking, $$$\varphi(x),\mu(x)$$$, hash for strings, $$$\binom{n}{m} \bmod p$$$ (it will be greater that we can choose to solve it in $$$\mathcal O(n)-O(1),\mathcal O(\min(m,n-m))$$$ or $$$\mathcal O(p \log p)$$$ !)

It would be so great if they could be added to the library!