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BFPRT算法解决的问题十分经典,即从某n个元素的序列中选出第k大(第k小)的元素,通过巧妙的分析,BFPRT可以保证在最坏情况下仍为线性时间复杂度。该算法的思想与快速排序思想相似,当然,为使得算法在最坏情况下,依然能达到o(n)的时间复杂度,五位算法作者做了精妙的处理。算法步骤:1.将n个元素每5... 阅读全文
摘要:
;;; From ANSI Common Lisp ; If you have questions or comments about this code, or you want; something I didn't include, send mail to lispcode@paulgrah... 阅读全文
摘要:
struct TreeNode { struct TreeNode* left; struct TreeNode* right; char elem; }; TreeNode* BinaryTreeFromOrderings(char* inorder, ... 阅读全文