@atcoder_official Please consider add these to Atcoder Library.
- About Trees
- LCA of two or more vertices
- Distance of two vertices
- About Graphs
- Minimum distance (Dijkstra, Johnson, Floyd, SPFA)
- Tarjan Algorithm
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@atcoder_official Please consider add these to Atcoder Library.
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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!