1822. Sign of the Product of an Array

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There is a function `signFunc(x)`

that returns:

`1`

if`x`

is positive.`-1`

if`x`

is negative.`0`

if`x`

is equal to`0`

.

You are given an integer array `nums`

. Let `product`

be the product of all values in the array `nums`

.

Return `signFunc(product)`

.

**Example 1:**

Input:nums = [-1,-2,-3,-4,3,2,1]Output:1Explanation:The product of all values in the array is 144, and signFunc(144) = 1

**Example 2:**

Input:nums = [1,5,0,2,-3]Output:0Explanation:The product of all values in the array is 0, and signFunc(0) = 0

**Example 3:**

Input:nums = [-1,1,-1,1,-1]Output:-1Explanation:The product of all values in the array is -1, and signFunc(-1) = -1

**Constraints:**

`1 <= nums.length <= 1000`

`-100 <= nums[i] <= 100`

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