How should I practice Pythagorean Triple with Array Multiplicity?

Start by reading the full statement, solve the visible examples, then compare the pattern against related ByteDance onsite interview problems in FastPrep.

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Pythagorean Triple with Array Multiplicity

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Problem statement

Given an integer array nums, return whether three distinct array occurrences can be chosen whose absolute values a, b, and c satisfy a * a + b * b = c * c.

Negative signs do not affect the squared values.
Equal absolute values may be reused only when the array contains enough separate occurrences.

Function

hasPythagoreanTriple(nums: int[]) → boolean

Examples

Example 1

nums = [3,-4,5,8]return = true

The distinct occurrences with absolute values 3, 4, and 5 satisfy 9 + 16 = 25.

Example 2

nums = [0,1,2]return = false

The single zero cannot be paired with two occurrences having equal absolute value, and no other triple satisfies the equation.

Constraints

0 <= nums.length <= 2000.
-1000000000 <= nums[i] <= 1000000000.