摘要: 这道题目一点也不卡素数的判断就是朴素的sqrt(n) 也不卡所以~放心的用吧。构造回文的时候看了HINT其中是这么写的:Generate palindromes by combining digits properly. You might need more than one of the loo... 阅读全文
posted @ 2015-01-31 16:06 Jeremy Wu 阅读(416) 评论(0) 推荐(0)