Intern Engineer Interview Questions

24,106 intern engineer interview questions shared by candidates

Coin game: board divided in quarters. A coin rests in each spot. You do not know their original configuration. In each turn, you can choose flip any number of coins. Specify a sequence of turns that guarantees that at some point all coins will be facing the same direction. Second question: between each of your turns, the board will be rotated an arbitrary amount (90, 180, 270 degrees). Specify a sequence of moves that guarantees that at some point all coins will be facing the same direction.
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Software Engineering Intern

Interviewed at DRW

4.3
Feb 24, 2011

Coin game: board divided in quarters. A coin rests in each spot. You do not know their original configuration. In each turn, you can choose flip any number of coins. Specify a sequence of turns that guarantees that at some point all coins will be facing the same direction. Second question: between each of your turns, the board will be rotated an arbitrary amount (90, 180, 270 degrees). Specify a sequence of moves that guarantees that at some point all coins will be facing the same direction.

Write this function (on a Google doc): /*How many ways can you make change given the following denominations? ie, if numCentsToMake is 6 and denominations is [25, 10, 5, 1], then it should return 2: either a nickel and a penny or 6 pennies.*/ int numWaysToMakeChange(int numCentsToMake, int[] denominations)
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Software Engineering Intern

Interviewed at Google

4.4
Oct 14, 2011

Write this function (on a Google doc): /*How many ways can you make change given the following denominations? ie, if numCentsToMake is 6 and denominations is [25, 10, 5, 1], then it should return 2: either a nickel and a penny or 6 pennies.*/ int numWaysToMakeChange(int numCentsToMake, int[] denominations)

We were sitting in the third floor of a 16 floor building. After asking me about my experiences with working within a group the interviewer suddenly asked me, "How many pennies would it take to stack as high as this building?"
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Mechanical Engineer Intern I

Interviewed at Valero

4.2
Jul 10, 2014

We were sitting in the third floor of a 16 floor building. After asking me about my experiences with working within a group the interviewer suddenly asked me, "How many pennies would it take to stack as high as this building?"

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