Summer 2025

Resize 2D Array by Tripling Columns

Compare Integers in Reverse Order Linked Lists

Infix to Postfix Evaluation 10

Add or Subtract Values in Binary Tree

Quadratic Probing with Custom Hash Function

Prefix Prediction for Next Trie Letter

Count Bit Flips in Binary Counter Sequence

Predict Search Time for Square Root Algorithm

Closed Form Solution for Summation of i + 3i

Compute Highest Exponent Within Bound

Sort Competitions by Solved Time and Difficulty