Gecko Robotics, Inc. SE II Test OA -- 菜到扣脚
There are three problems in hackrank.
- two sum
- http request to get title
- binary search （find first large/small element）(网上没有一个现成运行的代码)
都是些不是很难的题， 但是因为是变型题，就一道也没做出来， 我也很绝望.
Summary
- scale of familiarity， speed
- solve them
