Questions for DP and recursionHi, I have a few questions about these two algorithms. Below is my recognition. Recursive is a ki...

Greedy algorithmHi! Here's a problem about greedy algorithm. The statement is below : Suppose we have a set S = {a...

Vowel chain in binary treeSorry, can you explain in more detail? Why are all these pointers invalid? Oh, the comment should b...

Vowel chain in binary treeHi, I'm working on a project : Given an alphabet binary tree, find the length of the longest vowel ...

Binary tree constructing How should I connect each node by using a vector container? Is there any example?