Package g1701_1800.s1748_sum_of_unique_elements

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    1748 - Sum of Unique Elements.

    Easy

    You are given an integer array nums. The unique elements of an array are the elements that appear exactly once in the array.

    Return the sum of all the unique elements of nums.

    Example 1:

    Input: nums = 1,2,3,2

    Output: 4

    Explanation: The unique elements are 1,3, and the sum is 4.

    Example 2:

    Input: nums = 1,1,1,1,1

    Output: 0

    Explanation: There are no unique elements, and the sum is 0.

    Example 3:

    Input: nums = 1,2,3,4,5

    Output: 15

    Explanation: The unique elements are 1,2,3,4,5, and the sum is 15.

    Constraints:

    • 1 <= nums.length <= 100

    • 1 <= 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 sumOfUnique(IntArray nums)

      • Methods inherited from class java.lang.Object

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