How many prime numbers
Time Limit : 3000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other)
Total Submission(s) : 0 Accepted Submission(s) : 0
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Problem Description
Give you a lot of positive integers, just to find out how many prime numbers there are.
Input
There are a lot of cases. In each case, there is an integer N representing the number of integers to find. Each integer won¡¯t exceed 32-bit signed integer, and each of them won¡¯t be less than 2.
Output
For each case, print the number of prime numbers you have found out.
Sample Input
3 2 3 4
Sample Output
2
Author
Source
HDU 2007-11 Programming Contest_WarmUp