2018年9月29日
SPOJ10606 BALNUM - Balanced Numbers(数位DP+状压)
摘要： Balanced numbers have been used by mathematicians for centuries. A positive integer is considered a balanced number if: 1) Every even digit appears an 阅读全文
posted @ 2018-09-29 19:21 Styx-ferryman 阅读(234) 评论(0) 推荐(0) 编辑