1822. Sign of the Product of an Array

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    Problem

    There is a function signFunc(x) that returns:

    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: 1
    Explanation: The product of all values in the array is 144, and signFunc(144) = 1
    

    Example 2:

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

    Example 3:

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

      Constraints:

    Solution

    /**
     * @param {number[]} nums
     * @return {number}
     */
    var arraySign = function(nums) {
        var res = 1;
        for (var i = 0; i < nums.length; i++) {
            res *= nums[i] > 0 ? 1 : (nums[i] === 0 ? 0 : -1);
        }
        return res;
    };
    

    Explain:

    nope.

    Complexity: