摘要：
Given an array of citations sorted in ascending order (each citation is a non-negative integer) of a researcher, write a function to compute the resea 阅读全文
摘要：
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Example 1: Example 2: 阅读全文
摘要：
Given a sorted linked list, delete all duplicates such that each element appear only once. Example 1: Example 2: 很简单的链表问题，可以写成递归和迭代两种形式。具体思路： 第一步，寻找第一 阅读全文
摘要：
Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target. 阅读全文