首先，他开始自我介绍，讲了自己的工作，大约10分钟。然后问我为什么要加入bloomberg。然后告诉我打开hackerrank链接
45 分钟面试，考了一道题
Given a string, reduce the string by removing 3 or more consecutive identical characters.
Example 1:
Input: “aaabbbc”
Output: “c”
Example 2:
Input: “aabbbacd”
Output: “cd”
I solved it with recursion and also discussed the stack based approach