Siddharthsolankidecember·Oct 15DSA Patterns That Made Problem-Solving Easier: From DSU to Fenwick Trees(My personal approaches)Understanding the ideas behind common Data Structures and Algorithms problems, rather than memorizing solutions.
Garinesaiajay·Sep 15Segment Trees: The Data Structure I Wish I Understood EarlierHow I learned to stop thinking of segment trees as a complicated tree — and start seeing them as a way to organize information.
Suryateja·Jun 19Segment Tree Beats: The Upgrade Your Segment Tree Didn’t Know It NeededA beginner-friendly deep dive into one of competitive programming’s coolest data structures
Lakshya·Jun 1Why Constraints is KingWhen tackling data structures and algorithms (DSA) problems, whether in technical interviews or competitive programming, engineers often…
Kuldeep Agrahari·May 4Why Your Comparator Isn’t Enough: The Hidden Stability Problem in C++ STL§1 — The Bug
Ankit·Mar 5, 2025Efficiently Calculate the number of pairs in array satisfying the condition that gcd(a[i] , a[j])…Problem:
thebytestream·Dec 11, 2024Patterns and variations of the Binary Search algorithmBinary Search is a fundamental algorithm widely used in competitive programming. Below are several patterns and variations of the Binary…
Anand·Mar 30, 2024Gateways 2022 at ChristGateways happened on September 23, 2K22. I was pursuing my MSc in CS at St. Joseph’s University. Then, in my class group, I explored the…