Beserious - 博客园

2017年9月10日

leetcode 5. Longest Palindromic Substring

摘要： Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Example: Input: "babad" Output: "b 阅读全文

posted @ 2017-09-10 00:42 Beserious 阅读(114) 评论(0) 推荐(0)

2017年9月6日

leetcode 2. Add Two Numbers

摘要： You are given two non empty linked lists representing two non negative integers. The digits are stored in reverse order and each of their nodes contai 阅读全文

posted @ 2017-09-06 23:12 Beserious 阅读(136) 评论(0) 推荐(0)

2017年9月5日

leetcode 11. Container With Most Water

摘要： Given n non negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpo 阅读全文

posted @ 2017-09-05 12:49 Beserious 阅读(135) 评论(0) 推荐(0)

2017年9月4日

leetcode 208. Implement Trie (Prefix Tree)

摘要： Implement a trie with insert, search, and startsWith methods. Note: You may assume that all inputs are consist of lowercase letters a z. 字典树阅读全文

posted @ 2017-09-04 20:32 Beserious 阅读(124) 评论(0) 推荐(0)

leetcode 15. 3Sum

摘要：每日一道题目，预防思维僵化 Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which giv 阅读全文

posted @ 2017-09-04 15:04 Beserious 阅读(170) 评论(0) 推荐(0)

2017年9月3日

链家2018链习生招聘编程题三

摘要：小明有n(1 using namespace std; int dp[2010][2010]; int main() { int n; while (cin n) { vector v(n); memset(dp, 0, sizeof dp); for (int i = 0; i v[i]; // 阅读全文

posted @ 2017-09-03 17:07 Beserious 阅读(1245) 评论(7) 推荐(0)

leetcode 669. Trim a Binary Search Tree

摘要： Given a binary search tree and the lowest and highest boundaries as L and R, trim the tree so that all its elements lies in [L, R] (R = L). You might 阅读全文

posted @ 2017-09-03 12:28 Beserious 阅读(271) 评论(0) 推荐(0)

leetcode 671. Second Minimum Node In a Binary Tree

摘要： Given a non empty special binary tree consisting of nodes with the non negative value, where each node in this tree has exactly two or zero sub node. 阅读全文

posted @ 2017-09-03 11:13 Beserious 阅读(188) 评论(0) 推荐(0)

leetcode 670. Maximum Swap

摘要： Given a non negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get. 阅读全文

posted @ 2017-09-03 11:11 Beserious 阅读(418) 评论(0) 推荐(0)

2017年9月2日

leetcode 290. Word Pattern

摘要： Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a lette 阅读全文

posted @ 2017-09-02 20:20 Beserious 阅读(111) 评论(0) 推荐(0)