Zephyrex21

Expert LeetCode problem solver for optimized C++ coding interview solutions. Use when: the user pastes a LeetCode problem, asks for an optimized algorithm, wants C++ LeetCode code, needs a dry run, asks for line-by-line explanation, wants a hint before the solution, wants brute force to optimized progression, wants pattern recognition, C++ pitfall warnings, interview tips, or wants help understanding data structures and algorithms for coding interviews.