Developer Interview Questions

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Given a mutable string (array of characters) of words, how would you reverse the order of the words in the string, not the entire string. This must be done in place, i.e. not using any additional memory. eg) "Hello World" => "olleH dlroW"
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Software Developer

Interviewed at Amazon

3.5
Nov 24, 2011

Given a mutable string (array of characters) of words, how would you reverse the order of the words in the string, not the entire string. This must be done in place, i.e. not using any additional memory. eg) "Hello World" => "olleH dlroW"

second round puzzle(google one) :Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge? instead of 7 mins,interviewer said it to be 5 mins :( and expected right answer from me.
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Software Developer

Interviewed at Algoworks

3.8
Feb 22, 2016

second round puzzle(google one) :Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge? instead of 7 mins,interviewer said it to be 5 mins :( and expected right answer from me.

Its a take home test, a really bad one with a bad architecture MVVM using combine and SwiftUI and you cannot change it, you have to complete some methods and thats it. If you change any struct or anything, you're refused. Its a waste of time.
avatar

IOS Developer

Interviewed at Cuvva

4.3
Sep 2, 2021

Its a take home test, a really bad one with a bad architecture MVVM using combine and SwiftUI and you cannot change it, you have to complete some methods and thats it. If you change any struct or anything, you're refused. Its a waste of time.

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