摘要： 题目如下： Given a binary tree root and a linked list with head as the first node. Return True if all the elements in the linked list starting from the hea 阅读全文

摘要： 题目如下： In a special ranking system, each voter gives a rank from highest to lowest to all teams participated in the competition. The ordering of teams 阅读全文

摘要： 题目如下： Given the array nums, for each nums[i] find out how many numbers in the array are smaller than it. That is, for each nums[i] you have to count t 阅读全文