All Questions
Tagged with memory-optimizationinterview-questions
5 questions
3votes
2answers
150views
Simple recursive transformation solution in Python
This simple Python code I wrote for a problem asked during an interview. The problem statement is: Given a tuple (a, b), transform this into (c, d) by applying any of the two below operations ...
7votes
1answer
44kviews
Count duplicates in a JavaScript array
This is actually a hackerrank interview question I have already solved but I need guidance on how to optimize it for the Time Space Given an array of integers, your task is to count the number of ...
- 215
4votes
5answers
3kviews
Find The Duplicates in two arrays
Find The Duplicates Given two sorted arrays arr1 and arr2 of passport numbers, implement a function findDuplicates that returns an array of all passport numbers that are both in arr1 and arr2. Note ...
3votes
4answers
566views
Finding anagrams in Java (space-optimised)
I've lately been asked in a job interview to program a solution for the well known anagrams problem: given two strings s1 and s2,...
- 291
4votes
1answer
368views
Construct binary tree from inorder and postorder traversal
The problem is taken from here. The tree is guaranteed not to have duplicate elements. My questions is, instead of creating new arrays leftInOrder, ...
