Idiot-maker

摘要： https://oj.leetcode.com/problems/remove-element/Given an array and a value, remove all instances of that value in place and return the new length.The ... 阅读全文

摘要： https://oj.leetcode.com/problems/swap-nodes-in-pairs/Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->... 阅读全文