2015年11月16日
Codeforces 55D. Beautiful numbers 数位DP
摘要： D. Beautiful numbersVolodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number isbeautifulif and only if i... 阅读全文
posted @ 2015-11-16 13:57 meekyan 阅读(198) 评论(0) 推荐(0) 编辑