commit 30446f98d6a7d1ef0e9eeb5ec598193e4617f559
Author: LU <hit_lu@foxmail.com>
Date:   Tue Jun 3 09:18:29 2025 +0800

    添加 readme.md

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+##
+
+**binary search**
+
+**union-find sets**
+
+**topological sorting**
+
+**knuth-morris-pratt**
+
+**dijsktra**
+
+**bipartite graph**
+
+**mathematical method**: 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**
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