Thursday, July 20, 2017

Leetcode 15: 3 Sum - optimal time complexity

July 20, 2017

Introduction


It is most challenge work to read a paper related to Leetcode 3 sum, called "Threesome love triangle". 24 pages paper, read 30 minutes a time.


Paper reading 



It is so interesting to learn the algorithm and data structure research. Julia spent over 30 minutes to study one of authors - Seth Petti who works for university of Michigan computer science department. The ranking is very top in USA universities.

Julia joined the community of theorectic computer science on stackexchange.com first time in March 2017 and tried to explore the depth of the knowledge and get more interested in computer science theory. One of her professors is Aaron Meyerowitz in Florida Atlantic University. Julia took set theory math graduate course from 1996 to 1997 in Florida Atlantic university, she had a very small class with a few math graduate student. First time she understood what makes a great professor, just check the problem he works on and how difficulty it is. Julia admires hard work spirit.

What does Julia look for when she browses the research of a professor? She believes that this is one of top-tier theory professor in the world.

Relate to personal research and course study, it is two times decision for Julia to skip mathematics graduate research in her career. In 1989 she chose to change major from math to engineering in Shanghai Jiaotong university, and then in 1996 she chose to change math Ph.D. program to computer science master program in Florida Atlantic University.

Do Julia like complicated math problem? How does she work on her problem solving skills?




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