A. Base i ? 1 Notation
solved by sdcgvhgj 238
B. Squaring a Bit
solved by rdc 77
本地打表,交表。
C. Chickens
solved by rdc, 24
f[i][mask] 表示前 i 个物品匹配 mask 集合的方案数。
D. Lights at a Crossing
E. Decimal Form
solved by rdc, 247 -2
类欧或者SB树,然后发现自己写的类欧板子炸掉了。
F. Martian Maze
G. Wet Mole
solved by F0_0H, 58
H. Oddities
I. Sorting on the Plane
solved by rdc 150 -2
同一个半平面的一些向量,可以直接 sort 确定两两大小关系。任选一个向量,其左侧的向量一定在同一半平面,右侧亦然。比较左侧最左和右侧最右,即可判定是否成环。
J. Center of List of Sums
solved by sdcgvhgj 87 -1
K. Cookies
solved by F0_0H 214 -2
L. Xor-fair Division
solved by rdc, 5
签到。
summary and replay
原文地址:https://www.cnblogs.com/FST-stay-night/p/12004364.html
时间: 2024-10-03 05:41:08