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The limit of an averaging sequence
IBM Ponder this 2024 04 solution
A nice identity of the sum of a certain fraction series
IBM Ponder this 2024 03 solution
IBM Ponder this 2024 02 solution
A Formula for Accumulated XOR Operations in a Continuous Range (LC E268)
IBM Ponder this 2024 01 solution
IBM Ponder this 2023 12 solution
Maximum Product Difference Between Two Pairs, but with a twist
IBM Ponder this 2023 11 solution
IBM Ponder this 2023 09 solution
Probability of line segments intersecting - A surprisingly simple result
The long journey from O(n^2) to O(n^1.5), Leetcode H1269. Number of Ways to Stay in the Same Place After Some Steps
Leetcode M808 Soup Servings Convergence Analysis
Leetcode M1318 Minimum Flips to Make a OR b Equal to c, E1351 Count Negative Numbers in a Sorted Matrix
Leetcode M1091 Shortest Path in Binary Matrix, M2101 Detonate the Maximum Bombs, E1232 Check If It Is a Straight Line
Tuscaridium cygneum and the maximum 8 vertex polyhedron -Follow up
Tuscaridium cygneum and the maximum 8 vertex polyhedron -A curious shape
Leetcode M1140 Stone Game II - Push it to the limit
Leetcode M934 Shortest Bridge Optimization
Leetcode M347 Top K Frequent Elements Optimization
Leetcode M399 Evaluate Division
Leetcode M2466 Count Ways To Build Good Strings Optimization
Leetcode E2215 Find the Difference of Two Arrays, M1456 Maximum Number of Vowels in a Substring of Given Length, E1572 Matrix Diagonal Sum Optimization
Leetcode E1822 Sign of the Product of an Array Optimization
An algorithm to iterate through all perfect matchings on a complete graph (Chord diagram)
Random Subarray Algorithm
New York Times Digits Solver
Finding flaws in an algorithm and constructing the counterexamples
Efficient Solution to Range Minimum Query (RMQ) and Lowest Common Ancestor (LCA) problems with O(1) query and O(n) preprocessing
The ultimate recaptcha
Introduction
Puzzle game
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