Aho-Corasick BalancedTree BipartiteGraph BlossomTree CTSC ChairAlgorithm ChairTree ChairTrie Classical DP DTP Dichotomize&Check DisjointSet Divide Elimination Enumeration FFT HAOI HNOI Heap HighPrecision JSOI LCA LCT MT Match MergeableHeap NOI NetworkFlow NumberTheory POI POJ PartTree Partial SCC SCOI SDOI SegTree Splay ZJOI bless code hash link string usaco