Tuesday, November 3, 2020 1492. The kth Factor of n -------M Given two positive integers n and k. A factor of an integer n is defined as an integer i where n % i == 0. Consider a list of all factors of n sorted in ascending order, return the kth factor in this list or return -1 if n has less than k factors. Example 1: Input: n =...
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2016年3月15日星期二 Basic LinkedList/ Array/ String (1) Sort List (leetcode 148) (2) Reverse List in K group (leetcode 25) try both recursive and iterative (3) Merge K sorted List (leetcode 23) (4) Insertion Sort List (leetcode 147) also try merge sort, quick sort (5) Summary Ranges (leetcode 228) (6) Merge Intervals...
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Thursday, December 21, 2017 Facebook脸家 - Lexicographical path Lexicographical path 5 / \ 3 2 / \ \ 2 4 4 \ 1 FB 面经,自底向上的 path 有【1,4,2,5】,【4,3,5】,【2,3,5】,要求按自底向上的 lexicographical order 返回排序的 path,比如在这里是 【1,4,2,5】, 【2,3,5】,【4,3,5】 Analysis: Post order, for each node keep left & right paths, merge 2 into one single path....
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Archives at 8:33 PM Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Newer Post Older Post Slider(Newer 20)    Home (Archives)    Random Post    Slider(Random 20)    Slider(Older 20) Home Labels LeetCode (1433) GeeksforGeeks (1122) LeetCode - Review (1068) Review (883) Algorithm (668) to-do (609) Classic Algorithm (270) Google...
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Sunday, February 21, 2021 Lintcode 676. Decode Ways II A message containing letters from A-Z is being encoded to numbers using the following mapping way: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Beyond that, now the encoded string can also contain the character *, which can be treated...