The Turtle Code·3d agoLRU Cache: From a 30-Minute Coding Interview to a Production-Ready Distributed CacheUnderstand the data structures, implement an LRU cache in Java, explore Redis, solve concurrency problems, and learn how a simple interview…
Masif·4d agoWhy Easy LeetCode Problems Feel Hard Even After Learning DSAKnowing data structures and algorithms doesn’t automatically make you a problem solver. Here’s what I learned the hard way.
Amolkharat·Oct 27Python DSA Mastery — Part 8Sliding Window in Python: Master the Pattern Behind Subarray and Substring Problems
Priyanka·Oct 22LeetCode 13: Roman to Integer — Java Solution ExplainedDifficulty: Easy Topics: String, Simulation
Anjali Rajwar·Oct 22Why Backtracking Exists: Memory, References, and Recursion in C++ and JavaScriptWhen I started learning backtracking, one question confused me: Why do we need to undo a choice after a recursive call?
Sumit·Oct 15Algorithm 1: Binary Search on Monotonic PredicatesA monotonic predicate is defined asA response icon1A response icon1
between_thoughts·Oct 132035. Partition Array Into Two Arrays to Minimize Sum DifferenceThe main idea of this problem is to divide the array of size 2*n into 2 arrays each of size n, so that absolute difference between sum of…
Abhinav M·Oct 11LC 560: Subarray Sum Equals KProblem: Given an integer array nums (can contain negatives and zeros) and an integer k, count the contiguous subarrays whose sum equals k.
Divyapratihast·Oct 3Java Interview Questions: frequently asked dsa questions Part IThis year I have given multiple interviews for Senior Java developer role. I noticed most of the companies frequently ask similar set of…
