Array Maximum Product Three Numbers LeetCode (Maximum product of a triplet)

Given an integer array, find three numbers whose product is maximum and output the maximum product.

Example 1:

• Input: [1,2,3]
• Output: 6

Example 2:

• Input: [1,2,3,4]
• Output: 24

Example 3:

• Input: [-4,-3,-2,-1,60]
• Output:720

NOTE:

• The length of the given array will be in range [3,104] 
• All elements are in the range [-1000, 1000].
• Multiplication of any three numbers in the input won't exceed the range of 32-bit signed integer.

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Solution: