Articles tagged with Math

• Greatest Common Divisor Traversal - Prime graph connectivity, published 2024-02-25
• Insert Delete GetRandom O(1) - Swap with last element, published 2024-01-16
• Minimum Cost to Make Array Equalindromic - Check one palindrome on each side of median, published 2023-12-18
• K-th Symbol in Grammar - Simple Recursion, published 2023-10-25
• Movement of Robots - Collision means nothing, published 2023-06-15
• Multiply Strings - Simple string operations and heuristics, published 2023-06-08
• Find the Punishment Number of an Integer - Recursion using just integers, published 2023-05-21
• Power of Heroes - One pass solution with detailed explanation, published 2023-05-20
• Permutation Sequence - Recursive + iterative solution with intuition, published 2023-05-11
• Bulb Switcher - Easy explanation, published 2023-04-27
• Day of the Year - Intuitive C++ solution, published 2023-01-05
• Rectangle Area - Overlapping intervals expand idea from 1D, published 2022-11-17
• Odd String Difference - O(1) space + 100% faster, published 2022-11-12
• Unique Binary Search Trees - [100%] Easy DP, published 2022-10-25
• Insert Delete GetRandom O(1) - Simple Hashset, published 2022-10-21
• Fraction to Recurring Decimal - [Faster than 100%] Easy + Concise C++ Step by step, published 2022-10-21
• Factorial Trailing Zeroes - [Easy] One liner, published 2022-10-21
• Count Primes - Sieve of Eratosthenes with Exaplanation, published 2022-10-15
• Plus One - Simple c++ solution with explanation, published 2022-10-06
• Largest Divisible Subset - DP faster than 95%, published 2022-10-04
• Count Sorted Vowel Strings - DP solution, published 2022-05-12
• Add Binary - Serious and non-serious solution, published 2022-01-21
• Robot Bounded In Circle - C++ Basic solution, published 2021-12-10
• Gray Code - Python easy to understand 3 line recursive solution, published 2021-07-06