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**binary search**

**union-find sets**

**topological sorting**

**knuth-morris-pratt**

**dijsktra**

**bipartite graph**

**math**: quickpow, prime judging, greatest common divisor

**binary indexed tree**

**minimum spanning tree**: krukal  / prime

**segment tree**

**binary search tree & AVL tree**

**trie tree**

**k-d tree**