StackOverflowError on recursive algorithm

I’m trying to code a recursive algorithm in order to generate a valid board(unique solution) for a game called kakuro. When executing the program I keep getting a StackOverflowError. I tried debugging …

Why does the class fields update their data after the method works

Help me please. Let’s say I have a Link class for linked lists. And there is the SortedList class where there are methods for working with data created by the first class. public class Link { public …

Algorithm to create X number of dates

Currently I have a list of Strings that represent a date in a yyyyMM format, something like this: 202008 202009 202010 I need to create x number of entries in this list with each entry increasing …

breaking down words in different ways in java

I want to create words that come with a string in different ways as follows. I’m not sure how best to do this input: Paul Thomas Anderson output: Paul Thomas Anderson, P Thomas Anderson, T Anderson, …

How would the weighted quick-union Algorithm be implemented?

I’m currently enrolled in the Princeton Algorithms course (Part 1) and it talks about an improvement to the quick-union algorithm by maintaining an extra array sz[i] to count the number of objects in …

Is it possible to use 2 Data Type in an Custom ADT(Sorted Linked List)?

I am trying to do a Leaderboard for a game by using a Sorted Linked List. I was able to do so by sorting the point in descending order which mean higher point to lower point. Moreover, I will also …

Ambiguity in a CodeForces Problem – usage of HashSet Vs LinkedHashSet

I was solving a Codeforces problem yesterday. The problem’s URL is this I will just explain the question in short below. Given a binary string, divide it into a minimum number of subsequences in such …

How do I recursively count up to less than n [closed]

I am struggling with the problem of having applications of loops and arrays. I have a variable “n” which represents the limit of the loop, i.e. if n = 3, the array would look like: arr[1,2,3,…

Karatsuba Algorithm without BigInteger in Java, unexpected behaviour while recursion

So I want to run Karatsuba Algorithm without using class BigInteger in Java, so upon following the pseudo-code and this question, I came with the following code public static long recKaratsuba(long i1,…

Add new edge to Graph and check if total weight is reduced

I’m new to Graphs and I’m trying to solve this problem in Java: Given a Graph with N nodes and N-1 weighted bidirectional edges, the algorithm must respond YES if a new edge ‘q’ allows to reduce the …