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"To get a job in machine learning, you must have the programming and mathematical knowledge to create artificial intelligence that is capable of learning new tasks without being explicitly coded. In an interview you may be asked about your experience with pertinent coding languages such as Java and C++ as well as with writing algorithms. The interview will be comprised mainly of technical questions that test your knowledge of the fundamental concepts of machine learning such as data mining and signal processing."

8,202 machine learning interview questions shared by candidates

You're given a matrix of integers, and from any position in the matrix, you can only move in 4 directions - up, down, right, left - and that too, only if the destination position has a lower value than the original position. Given the starting indices (position in the matrix), find the longest such path possible. For eg. For this matrix: m = [[1 4 2], [5, 2, 6], [3, 2, 7]] and a starting position m[1][2], which is 6, you cannot move "down" to m[2][2], since 7 > 6, but you can move left to m[1][1] and up to m[0][2]. What is the run time of the algorithm?
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Machine Learning Engineer

Interviewed at A Thinking Ape

4.4★
Dec 30, 2017

You're given a matrix of integers, and from any position in the matrix, you can only move in 4 directions - up, down, right, left - and that too, only if the destination position has a lower value than the original position. Given the starting indices (position in the matrix), find the longest such path possible. For eg. For this matrix: m = [[1 4 2], [5, 2, 6], [3, 2, 7]] and a starting position m[1][2], which is 6, you cannot move "down" to m[2][2], since 7 > 6, but you can move left to m[1][1] and up to m[0][2]. What is the run time of the algorithm?

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