Pinduoduo·Software Engineer·Technical Phone Screen
- Design an LRU cache data structure with get and put operations, both running in O(1) average time complexity.
“The question itself is fine if you've seen it before.”
24 Software Engineers have shared notes from their Pinduoduo interviews, with the questions they were asked in each round. That is 89% of the 27 Pinduoduo interview notes on Screna AI.
24 Software Engineer interview notes
“The question itself is fine if you've seen it before.”
“This is one of those questions that sounds easy until you're actually in it and realize you've been rambling for two minutes without a clear point.”
“More detailed than I expected.”
“The actual SQL part wasn't bad.”
“This is the kind of question that sounds easy until you're actually in it and realize you've been rambling about team org for five minutes and haven't touched the architecture yet.”
“Classic gaps-and-islands problem.”
“This is the one I spent the most time on and still felt like I rambled.”
“Classic problem but they threw a twist on it.”
“The encoding tripped me up more than the actual logic.”
“This is where the whole interview lives or dies.”