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
 
                    
                
                
            
        
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