In Floyd’s Cycle-Finding Algorithm (Tortoise and Hare), slow moves by 1 step and fast moves by 2 steps. If a cycle exists, they are guaranteed to meet. Then comes part 2: to find the start of the cycle (the loop origin), ...Read more
RTSALL Latest Questions
We are building an in-memory session cache for an API gateway handling 50k requests/sec. We need an LRU (Least Recently Used) cache where both get() and put() operations happen strictly in O(1) time. A lot of implementations I see online either ...Read more