byszy的专栏

LeetCode21. Merge Two Sorted Lists Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: Input: 1->...

20. Valid Parentheses Given a string containing just the characters ‘(’, ‘)’, ‘{’, ‘}’, '['and ‘]’, determine if the input string is valid. An input string is valid if: Open brackets must be closed b...

第二天 Leetcode 9. Palindrome Number Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121 Output: true Example 2:Inp...

@美国求职 美国求职 将近而立之年，机缘巧合来到了美国，重新开始了程序员的求职之路，我会用几篇文章的篇幅记录下我整个求职的心路历程和准备过程 面试准备 美国的公司面试对算法部分很重视，所以算法部分的准备也是重中之重，所以一把年纪还要重新开始啃算法书，刷LeetCode。 第一天 LeetCode 1 Two Sum Given an array of integers, return indic...