Class Solution
-
- All Implemented Interfaces:
public final class Solution470 - Implement Rand10() Using Rand7()\.
Medium
Given the API
rand7()that generates a uniform random integer in the range[1, 7], write a functionrand10()that generates a uniform random integer in the range[1, 10]. You can only call the APIrand7(), and you shouldn't call any other API. Please do not use a language's built-in random API.Each test case will have one internal argument
n, the number of times that your implemented functionrand10()will be called while testing. Note that this is not an argument passed torand10().Example 1:
Input: n = 1
Output: 2
Example 2:
Input: n = 2
Output: 2,8
Example 3:
Input: n = 3
Output: 3,8,10
Constraints:
<code>1 <= n <= 10<sup>5</sup></code>
Follow up:
What is the expected value for the number of calls to
rand7()function?Could you minimize the number of calls to
rand7()?
-
-
Constructor Summary
Constructors Constructor Description Solution()
-