xinyu04

摘要： Given a binary tree struct Node { int val; Node *left; Node *right; Node *next; } Populate each next pointer to point to its next right node. If there 阅读全文

摘要： Five pirates have come across a treasure of 1000 coins. According to pirate rules the pirate of highest rank must make a suggestion on how to divide t 阅读全文

摘要： You and your partner in crime are both arrested and questioned separately. You are offered a chance to confess, in which you agree to testify against 阅读全文

摘要： You are given an array of integers nums, there is a sliding window of size $k$ which is moving from the very left of the array to the very right. You 阅读全文