Leetcode 40: Combination Sum II

June 1, 2017

Julia's C# practice using recursive, backtracking is here.

First practice, failed to pass a test case, the code is here.

Using dynamic programming, Julia's practice code is here.

Leetcode algorithm practice 

It is a new topic, short research Julia likes to find some good ideas.

How to compete those contest lasted just around one hour? Julia starts to learn how to work on Leetcode algorithms more often.