leetcode 386. Lexicographical Numbers 前K个字典序数组 + 字典序排序

Given an integer n, return 1 - n in lexicographical order.ios For example, given 13, return: [1,10,11,12,13,2,3,4,5,6,7,8,9].web Please optimize your algorithm to use less time and space. The input si

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