标签：算法

2016-07-25feeney阅读(1924)

https://www.gitbook.com/book/wizardforcel/the-art-of-programming-by-july/details

2016-04-26feeney阅读(1926)

<?php /*请忽略负数，可自行添加验证*/ //递归算法 求n = 1+2+3+5+8+..+n function addSum($n){ if($n == 1){ return 1; } return addSum($n-1)+...