Leetcode 1822

This is very easy question basically you count how many negative number.

class Solution {
    public int arraySign(int[] nums) {
        int count = 0;
        for(int i = 0; i < nums.length; i ++){
            if(nums[i] == 0) return 0;
            if(nums[i] < 0){
                count ++;
            }
        }
        return count % 2 == 0 ? 1 : -1;
    }
}