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https://leetcode.cn/problems/number-of-distinct-averages
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README.md

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<summary>展开查看</summary>
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https://leetcode.cn/problems/number-of-distinct-averages
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https://leetcode.cn/problems/custom-sort-string
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https://leetcode.cn/problems/domino-and-tromino-tiling

number-of-distinct-averages/index.ts

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export default function distinctAverages(nums: number[]): number {
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nums.sort((a, b) => a - b);
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return new Set<number>(nums.map((v, i, a) => v + a[a.length - i - 1])).size;
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}

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