All Questions
11 questions
7
votes
1
answer
346
views
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
10
votes
4
answers
3k
views
First non-repeating Character, with a single loop in Python
I recently tried to solve the first non-repeating character problem. Please tell me if my solution is valid. I'm aiming for O(n) with a single loop.
My thinking is, it would be easy to tell you what ...
- 203
7
votes
2
answers
827
views
Number of occurrences of strings in array
This is a Hackerrank problem (https://www.hackerrank.com/challenges/sparse-arrays/problem).
We're given an array of strings and an array of queries, and have to return an array of the number of ...
- 1,159
10
votes
6
answers
1k
views
Primitive String trimmer in C
I just picked up C and am following through The C programming language.
I've previously got experience with a lot of 'higher'-level languages, so when I saw this exercise in the book:
Write a ...
- 671
5
votes
1
answer
744
views
Sequence Alignment of two Strings
I have some code which aligns the sequence of two strings, I am doing numbers just for my implementation.
I was wondering whether there are any performance enhancements I could make as the code ...
- 349
7
votes
1
answer
2k
views
Cipher text using a 2D array
I have a simple program which ciphers text using a 2D array. You specify what letters to replace with what and it does it.
I understand the code is very repetitive and that I should probably use ...
1
vote
1
answer
486
views
Removing a specific character and its neighbors from a string
Assume we have an string that contains the character 'c'. This character can be located anywhere within the string. The exercise ...
- 501
5
votes
1
answer
655
views
Anagram finder in F#
I've been learning F# for a month or so and I'm wondering how good my "functional" aspect of coding is. When I first started, I did this using an iterative approach with a lot of <- and mutables ...
- 195
4
votes
2
answers
213
views
Palin Pairs (Pallindrome Counting) Code
In an array of strings 'a' having 'n' strings i have to select the Palin Pairs from the given strings .for ex for input 3 bba abb abb Output=2
I am getting correct output but want to reduce time ...
- 171
2
votes
2
answers
2k
views
Given suffix array and a pattern, search if given pattern exists
Given a suffix array for a word, check if a pattern (consecutive chars) exists.
Example:
A suffix array constructed for "ameya" should return true for "ame" but false for "foo" or false for "...
- 8,461
2
votes
6
answers
8k
views
Remove specific consecutive element in array
I'm trying to reduce consecutive elements of array to one, but not for all values like:
{3,0,0,0,3,3,3,0,0,0} => {3,0,3,0}
but for specific one, in my example ...
- 217