All Questions
5 questions
5votes
3answers
962views
LeetCode 678: Valid Parenthesis String, Recursion memoization to DP
How can the following recursion + memoization code be converted into a tabulation format dynamic programming solution? The code is working, but I want to improve it. The challenge I am facing is ...
3votes
1answer
319views
Efficiently calculate value of Pascal's Triangle using memoization and recursion
So reading about functional programming, applications to dynamic programming, and learning Scala. I figured I would try it out with a popular example, Pascal's Triangle, tests against known values ...
- 133
3votes
0answers
2kviews
Robot on a Grid: Find a path between two corners with forbidden cells on the road
Problem statement The problem is defined in the book as following: 8.2 Robot in a Grid Imagine a robot sitting on the upper left corner of grid with r rows and <...
- 3,520
2votes
1answer
194views
k-dice Ways to get a target value
I'm trying to solve the following problem: You have a k-dice. A k-dice is a dice which have k-faces and each face have value written from 1 to k. Eg. A 6-dice is the normal dice we use while playing ...
- 222
2votes
1answer
241views
Check the equality for each subset of a string S against the target T and return a count
I wrote the following code to solve this leetcode problem: ...
