ironically, I was backend at Uber 2014 - 2018 and used to ask a simple version of implementing an excel formula engine as my go-to coding interview question. I

ironically, I was backend at Uber 2014 - 2018 and used to ask a simple version of implementing an excel formula engine as my go-to coding interview question. Its got a nice mix of data-structures, algorithms, complexity, and implementation. Good candidates can get a reasonably efficient implementation handling cell references in an hour. nice read. made me nostalgic for the wild days of Uber-China hacking.