stress. The whole process is very stressful. Time is really tight. You need to familiar with how to write a executable code that simulate actual engineering scene. You can use some tools like google when you have some gramma issue
The OA is 60 mins, one long ood question, including 3 parts. Not typical LC problem, time is tight. Hard to finish using C++ or Java. Only pass all test cases can get next step tech screen.
The interview process was overall smooth with 3 rounds - 2 technical screens and 1 on site day (with 2 rounds back to back). They focused on your ability to think about the problem rather than grilling you for specifics.