摘要: 题目链接 "传送门" 思路 由$a\bigoplus b=c\rightarrow a=c\bigoplus b$得原式可化为$x\bigoplus 2x=3x$。 又异或是不进位加法,且$2x=1 include include include include include include in 阅读全文
posted @ 2019-08-09 16:08 Dillonh 阅读(251) 评论(0) 推荐(0) 编辑