Suppose there is a smart phone API that can give you a person's mood and that there are 100 different moods. There can be varying level of moods, such as happy, very happy, sad, extremely sad, etc. You can also have more than one mood at a time (such as nervous and excited). What app would you create to take advantage of this API?
The most unexpected question was to write a program that would take a 3x3 matrix and move around the values. [[1 2 3][4 5 6][7 8 9]] -> [[9 8 7][6 5 4][3 2 1]] like this.
Brainteaser: 4 people have to cross a rope bridge at night. Only 2 can cross at a time and they only have 1 flashlight. The people cross at different speeds - 10 mins, 5 mins, 2 mins, 1 min - and they cross at the speed of the slowest person. What's the fastest way to get everyone across?
What would you say to a customer who wants to sample your product but no samples are prepared yet?
How many times does the Earth rotate around its own axis while it makes one revolution around the sun?
1. How much money spent in USA per year on GAS
How would you build FB for blind people?
Say DAU is increasing but MAU are decreasing (over 3 months period), how would you approach this problem and what data sets would you work with?
Given a set of 2D coordinates for the 4 corners of each building in a city skyline (as if in a photograph), how would you determine the outline of the silhouette of all buildings, where buildings may or may not overlap?
Asked me how I monetized a mobile app which I had supervised. Kept digging on this issue even though I've plainly stated that I couldn't figure out an effective way to monetize a socialization-based mobile app. The flow of the interview got to a snail's pace.
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