LeetCode 357. Count Numbers with Unique Digits

LeetCode 357. Count Numbers with Unique Digits

DescriptionGiven a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n.Example:Input: 2Output: 91Explanation: The an...

[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 0 ≤ x < 10n. Example: Given n = 2, return 91. (The answer ...

leetCode 357. Count Numbers with Unique Digits | Dynamic Programming | Medium

357. Count Numbers with Unique Digits Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example...

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