Interview Questions & Reviews

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“You are in a game of Russian Roulette with a revolver that has 3 bullets placed in three consecutive chambers. The cylinder of the gun will be spun once at the beginning of the game. Then, the gun…”

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“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?”

“1. Write a method to reverse a string in place (constant space and linear time).”

Engineer at Riot Games

Feb 27, 2011

“How would you describe what you do now?”

“I have a beat up car. It travels at 30 miles per hour and gets 20 miles per gallon. The tank also leaks at 1 gallon per hour.

How far can I go on 10 gallons of gas?”

“You’ve discovered a bug in a game that has already been released. QA tells you the bug will happen rarely, but when it does occur, it will be disastrous. What is your plan of action?”

“You have 25 horses and you can race at most 5 at a time against each other, how many races do you need to run in order to find the 3 fastest horses.”

“Imagine an analog clock set to 12 o’clock. Note that the hour and minute hands overlap. How many times each day do both the hour and minute hands overlap? How would you determine the exact times of…”

“Blocking queue implementation. Coding was required.”

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“How many functions are there in the NSObject class in Objective-C?”

2130 of 802 Interview Questions