Depth understanding of IT / Internet industry and jobs, please refer to the general IT / Internet job recruitment program (the latest full version of Kong) .
Depth understanding of career advancement and learning routes, see the optimal path for career advancement courses and study guides (the latest full-stack version) .
Content navigation :
- 1, title
- 2, analysis
- 3, code implementation
- 4, operating results
1, title
Seeking 1 + 2! + 3! + ... + 20! And.
2, analysis
This program just multiply accumulate become tired.
3, the sample code
/*
作者：AT阿宝哥
日期：2016年9月18日
愿景：参考官方资料，做最好的课程，成就更多职业人！
邮箱：[email protected]
CSDN：https://blog.csdn.net/goldentec
简书：https://www.jianshu.com/u/8a6075d7a2e0
说明：
注意：
*/