如果正整數可以被 A 或 B 整除,那么它是神奇的。 返回第 N 個神奇數字。由於答案可能非常大,返回它模 10^9 + 7 的結果。 示例 1: 示例 2: 示例 3: 示例 4: 提示: 1 <= N <= 10^9 2 < ...
A positive integeris magical if it is divisible by eitherAorB. Return theN th magical number. Since the answer may be very large,return it modulo . Example : Example : Example : Example : Note: lt N ...
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如果正整數可以被 A 或 B 整除,那么它是神奇的。 返回第 N 個神奇數字。由於答案可能非常大,返回它模 10^9 + 7 的結果。 示例 1: 示例 2: 示例 3: 示例 4: 提示: 1 <= N <= 10^9 2 < ...
A magical string S consists of only '1' and '2' and obeys the following rules: The string S is magical because ...
沒有很好的思路,只想到了逐漸逼近的方式,應該還有更好的算法 ...
Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... Note: n is positive and will fit within the range ...
where n = 2 is 200. If there is no nth highest salary ...
Validate if a given string can be interpreted as a decimal number. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => ...
Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. For example, Given nums ...
We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n ...