Sunday, June 9, 2019

1079. Letter Tile Possibilities - C# various topics covered in my practice in 2019

Here is the link.

It is the algorithm I learned after weekly contest 140. I was surprised that I have difficulty to come out the solution in the weekly contest, I like to push myself to master the algorithm in next three to six months. One idea is to ask the algorithm in mock interview on interviewing.io as an interviewer, and also practice various ideas using C#.
I also like to put together all kinds of ideas in this post, and then push myself to learn depth first search algorithm better through the practice.
June 8, 2019
Use hashSet to remove duplicate and help to count the total number
C# learn to write a solution after the weekly contest on June 8, 2019
June 9, 2019
Only put unique substring into consideration
C# counting sort and depth first search to count unique substrings practice in 2019
Understand each tile using prefix string
C# case study "AAB" to figure out the solution in 2019


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