Programmation Interview Questions

99,724 programmation interview questions shared by candidates

Given an array from 0 to n integers containing values 1 through n, write a method that can find any duplicate and return it (note there must be at least one duplicate because of there being more indices than available values). Write a method with "good" running time and space complexity.
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Program Manager

Interviewed at Microsoft

4
Dec 16, 2012

Given an array from 0 to n integers containing values 1 through n, write a method that can find any duplicate and return it (note there must be at least one duplicate because of there being more indices than available values). Write a method with "good" running time and space complexity.

They asked to do a ladder program to move a material from one conveyor to another conveyor, when a LVG let the material on the first conveyor. The system has a start button and emercency stop button. The system has 5 presence sensor A for detect that the LGV arrives, B and C to detect a material in conveyor 1 and, D and C to detect a material in conveyor 2.
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LGV Programmer

Interviewed at Elettric 80

3.7
Jun 21, 2017

They asked to do a ladder program to move a material from one conveyor to another conveyor, when a LVG let the material on the first conveyor. The system has a start button and emercency stop button. The system has 5 presence sensor A for detect that the LGV arrives, B and C to detect a material in conveyor 1 and, D and C to detect a material in conveyor 2.

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