Package g1801_1900.s1822_sign_of_the_product_of_an_array

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    1822 - Sign of the Product of an Array.

    Easy

    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: 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:

    • 1 <= nums.length <= 1000

    • -100 <= nums[i] <= 100

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final Integer arraySign(IntArray nums)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait