LeetCode 2441. Largest Positive Integer That Exists With Its Negative — JavaScript

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https://leetcode.com/problems/largest-positive-integer-that-exists-with-its-negative/description/?envType=daily-question&envId=2024-05-02

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var findMaxK = function(nums) {
    const set = new Set(nums)
    let max = -1
    nums.forEach(e=>{
        if(set.has(e*-1)) max = Math.max(max,e)
    })
    return max
};

找到最大數字於nums中有對應負數

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