poj 3678 Katu Puzzle 2-SAT
摘要:
Katu PuzzleTime Limit:1000MSMemory Limit:65536KTotal Submissions:6702Accepted:2463DescriptionKatu Puzzle is presented as a directed graphG(V,E) with each edgee(a,b) labeled by a boolean operatorop(one of AND, OR, XOR) and an integerc(0 ≤c≤ 1). One Katu is solvable if one can find each vertexVia valu 阅读全文
posted @ 2013-08-09 19:41 电子幼体 阅读(150) 评论(0) 推荐(0) 编辑