第一轮 Behavior
Asked about your projects and leadership experience
第二轮 Technical
Determine if this tree is a valid tree
第三轮 Technical
Design a class that returns the product of the last K values
第四轮 Technical
Determine if i have a set of 3 given an array of cards (very confusing question)
第五轮 Technical
Given an infinite board how many knights step does it take to get to a target