[Python] "Base 4" recursive incrementation, math-y solution - The k-th Lexicographical String of All Happy Strings of Length n - LeetCode

Editorial

Solutions (725)

All

CJavaC++Python3PythonJavaScriptGoC#TypeScriptSwiftKotlinRustBacktrackingRecursionDepth-First SearchMathStringBreadth-First SearchBit ManipulationDynamic ProgrammingGreedyTreeCombinatoricsIteratorBinary SearchQueueHeap (Priority Queue)Binary TreeArrayStackBrainteaserCountingEnumerationProbability and Statistics