Software Associato Interview Questions

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Find a cycle in an array: You are given an integer array of size N. Every element of the array is greater than or equal to 0. Starting from arr[startIndex], follow each element to the index it points to. Continue to do this until you find a cycle. Return the length of the cycle. If no cycle is found return -1 Examples: countLengthOfCycle([1, 0], 1) == 2 , countLengthOfCycle([1, 2, 0], 0) == 3
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Software Engineer Associate

Interviewed at Goldman Sachs

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Feb 22, 2025

Find a cycle in an array: You are given an integer array of size N. Every element of the array is greater than or equal to 0. Starting from arr[startIndex], follow each element to the index it points to. Continue to do this until you find a cycle. Return the length of the cycle. If no cycle is found return -1 Examples: countLengthOfCycle([1, 0], 1) == 2 , countLengthOfCycle([1, 2, 0], 0) == 3

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