| Time Limit | $1$ 秒/Second(s) | Memory Limit | $512$ 兆字节/Megabyte(s) |
| 提交总数 | $25$ | 正确数量 | $14$ | "
| 裁判形式 | 标准裁判/Standard Judge | 我的状态 | 尚未尝试 |
| 难度 | 分类标签 | 数论 |
Prime Numbers
A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
Write a program which reads a list of N integers and prints the number of prime numbers in the list.
The first line contains an integer N, the number of elements in the list.
N numbers are given in the following lines.
5
2
3
4
5
6
3
1 ≤ N ≤ 10000
2 ≤ an element of the list ≤ 10^8
| 本题记录 | 用 户（点击查看用户） | 运行号（点击购买题解） | 时 间 |
|---|---|---|---|
| 算法最快[$7 $ms] | AOJ大管家 | 437057 | 2019-06-07 14:02:05 |
| 内存最少[$2016 $KB] | RUBY-WOO | 360847 | 2019-01-18 23:35:00 |
| 第一AC | 找队友，能刷题的那种 | 328885 | 2018-11-25 00:59:33 |
| 第一挑战 | 找队友，能刷题的那种 | 328885 | 2018-11-25 00:59:33 |
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