原文:[LeetCode] Count Numbers with Unique Digits 计算各位不相同的数字个数

Given a non negative integer n, count all numbers with unique digits, x, where x lt n. Example: Given n , return . The answer should be the total numbers in the range of x lt , excluding , , , , , , ...

2016-06-14 04:12 0 11620 推荐指数:

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