[ Leetcode] 2441.Largest Positive Integer That Exists Its Negative using Java | 02 May 2024 | Array

LeetCode Problem of the day
02 May 2024
Problems : Largest Positive Integer That Exists Its Negative using Java
Level : Easy
Topic : Arrays| Sorting | Hash Table | Data Structures | Two pointers

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Description about the problem as follows :

Given an integer array nums that does not contain any zeros, find the largest positive integer k such that -k also exists in the array.

Return the positive integer k. If there is no such integer, return -1.

Example 1:

Input: nums = [-1,2,-3,3]
Output: 3
Explanation: 3 is the only valid k we can find in the array.
Example 2:

Input: nums = [-1,10,6,7,-7,1]
Output: 7
Explanation: Both 1 and 7 have their corresponding negative values in the array. 7 has a larger value.
Example 3:

Input: nums = [-10,8,6,7,-2,-3]
Output: -1
Explanation: There is no a single valid k, we return -1.


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