Background

Description

C++-阶乘（打印从1~n的各个阶乘）

Format

Input

Output

Samples

12

1:1
2:2
3:6
4:24
5:120
6:720
7:5040
8:40320
9:362880
10:3628800
11:39916800
12:479001600

Limitation

1s, 1024KiB for each test case.