x/masx200_leetcode_test/first-missing-positive/index.ts
123456789101112function firstMissingPositive(nums: number[]): number { nums = nums.filter((a) => a > 0 && a <= nums.length).sort((a, b) => a - b); let re = 1; for (const v of nums) { if (v === re) { re++; } } return re;}export default firstMissingPositive;