Google Software Engineer interview questions

Great, gruelling, but overall a fun experience. Very meticulous. Take one question and goes from medium to tough, explores all facets of the algorithm and data structure in question, making sure you fully understand what you're tlaking about

distributed raining tree graph where water starts on 1 node and compute the amount of time it take for water to distribute to all node. then optimize if it doesn't have to wait for the water to completely get to node before passing it to another node.