Skip to content

Latest commit

 

History

History

0204.count-primes

Folders and files

NameName
Last commit message
Last commit date

parent directory

..
 
 
 
 
 
 

Count the number of prime numbers less than a non-negative number, n.

Example:

Input: 10
Output: 4
Explanation: There are 4 prime numbers less than 10, they are 2, 3, 5, 7.

解题思路## 可能的變化