2014年10月7日
HDU 4421 Bit Magic （图论-2SAT）
摘要： Bit MagicProblem DescriptionYesterday, my teacher taught me about bit operators: and (&), or (|), xor (^). I generated a number table a[N], and wrote ... 阅读全文
posted @ 2014-10-07 16:53 炒饭君 阅读(169) 评论(0) 推荐(0) 编辑