# Software Engineer Interview Questions

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### Velocity Software Engineer at Cerner

Feb 26, 2013
 “1. Build the CERNER tree2. Reverse string3. Binary search4. How do you find and fix a bug”

May 8, 2010
 “One independent survey showed that 70% on people asked like coffee.Another independent survey showed that 80% of people like tea.What is the upper and lower bound of peoples who likes both coffee…”

### Software Engineer at Cerner

Feb 12, 2013
 “Design Checker/Chess game in Objected Oriented View.”

### Software Engineer at Apple

Oct 15, 2011
 “Find number of ones in an integer.”

### Software Development Engineer at Amazon.com

Oct 15, 2009
 “Find the deepest common ancestor of two nodes in a tree structure.”

Aug 4, 2010
 “You have all of the prices for a given stock for the next year. You can buy once and sell once in that year. How do you determine when to buy and sell to maximize your profit?”

### Software Engineer at Vistaprint

Jan 21, 2010
 “How many bottles of shampoo are produced in the world a year?”

### Software Engineer, Generalist at Facebook

Mar 5, 2012
 “Function to compute the number of ways to climb a flight of n steps. Taking 1, 2, or 3 steps at a time. Do it in Linear time and constant space.n = 3.1 1 11 22 13Ans = 4”

### Software Development Engineer at Amazon.com

Jun 8, 2009
 “Number of 1's in binary representation of integer?”