摘要: 题目: http://www.lydsy.com/JudgeOnline/problem.php?id=2303 题解: 很神奇的思路,膜一发大佬http://www.cnblogs.com/HHshy/p/5840018.html#undefined 设S(i,j)=a[i][j]^a[i+1][ 阅读全文
posted @ 2017-08-09 20:21 Troywar 阅读(183) 评论(0) 推荐(0) 编辑