shini

摘要：Given an array ofnintegers wheren> 1,nums, return an arrayoutputsuch thatoutput[i]is equal to the product of all the elements ofnumsexceptnums[i].Solv... 阅读全文

摘要：Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wikipedia: ... 阅读全文

摘要：Given a singly linked list, determine if it is a palindrome.Follow up:Could you do it in O(n) time and O(1) space?先找到链表中点，将第二部分反转，然后比较两部分链表的值。/** * De... 阅读全文

摘要：Implement the following operations of a queue using stacks.push(x) -- Push element x to the back of queue.pop() -- Removes the element from in front o... 阅读全文

摘要：Given an integer, write a function to determine if it is a power of two.Credits:Special thanks to@jianchao.li.fighterfor adding this problem and creat... 阅读全文

摘要：Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe... 阅读全文