An Online coding interview on teams, after Introduction Phone Call.

Interviewer was nice. Time to solve problem was exactly 20 min,

Quality of call on teams was good. Overall Neutral experience.

Implement the LRUCache class:

LRUCache(int capacity) Initialize the LRU cache with positive size capacity. int get(int key) return the value of the key if the key exists, otherwise return -1. void put(int key, int value) Update the value of the key if the key exists. Otherwise, add the key-value pair to the cache. If the number of keys exceeds the capacity from this operation, evict the least recently used key. The functions get and put must each run in o(1) average time complexity.