All Questions
125 questions
4votes
4answers
509views
Finding Special Parts in a Word
Task description: Imagine you have a long word made up of small letters like "a", "b", "c", ancd so on. Let’s call this word a puzzle word. We want to look at all the ...
- 374
3votes
1answer
177views
Snail matrix in Java - version III (generalizing)
Once again, in the previous version, Alexander Ivanchenko helped me with his awesome answer. Now, I have improved the toString() and, also, generalized the class ...
- 30.3k
2votes
1answer
132views
Related to DSA: Find longest common prefix
The objective of below code is find longest common prefix from trie DataStructure which is written in Java. Code: ...
- 23
7votes
1answer
341views
Create tweet threads from String in Java
I recently got this question in an exam, this is how I implemented, it is working fine. However, I would like to know if the code can be improved, as I think it for sure needs to be improved. The ...
- 73
4votes
1answer
334views
A different approach to string pattern matching algorithm
Although there exists the most efficient "Knuth-Morris-Pratt" algorithm of string pattern matching. I tried to achieve the same result with a different approach. But I am not sure about it's ...
- 143
3votes
1answer
123views
Substring search in Java
I am trying to make an algorithm that will find the index of a given substring (which I have labeled pattern) in a given String (...
- 361
1vote
3answers
118views
Identifying indices of non-delimited characters in a string, supporting greater than 1 length of delimiters
The code below takes a string that potentially contains a true match for a delimiter. There can be multiple delimiters located anywhere in the string. We need to obtain the indices that are not a ...
- 11
4votes
1answer
462views
Hamming distance implementation in Java
I'm exploring String relativity and comparison techniques, and I found Hamming distance algorithm in my search so I give a try to implement that approach in Java and below I'm sharing my ...
- 155
3votes
1answer
254views
Knuth-Morris-Pratt algorithm in Java Finding substrings in a matrix
Problem Given two matrices: a pattern p and a text t. Write a program that counts the number of occurrences of ...
- 305
3votes
1answer
265views
LeetCode Reverse Words in a String without using any java library
The following problem is from LeetCode: Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. ...
3votes
2answers
120views
Reverse chars of each word in a string
An algorithm to reverse characters of each word in a sentence. What would be your concerns regarding the following solution? Example input: "I love New York" output: "I evol weN kroY" ...
- 33
2votes
1answer
108views
Find the number of all specific substrings in a string
I would like to ask a code review regarding a concrete exercise. Let's suppose I have to get the number of all specific substrings in a string. We call something specific if any of these conditions ...
- 121
1vote
3answers
216views
Armstrong number generator
This is my code to generate all possible Armstrong numbers between the two given numbers. The logic uses string instead of integer to separate the digits to optimize the code. ...
-2votes
2answers
194views
ArmstrongNumber checker
This is my code written to check whether a given number is armstrong or not . but the logic differs from the conventional logic of using integer and separating its digits and calculating , instead i ...
3votes
2answers
1kviews
Counting the number of ways to decode a string
I am working on problem where I need to decode a string: A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... '...
- 499
