Yes |
3757 | Alice and Bob and Cue Sports | 25.54% (35/137) |
Yes | 3758 | Singles‘ Day | 44.00% (55/125) |
3759 | 3456 | 25.00% (3/12) | |
Yes | 3760 | Treasure Hunting | 13.74% (18/131) |
Yes | 3761 | Easy billiards | 38.09% (48/126) |
3762 | Pan‘s Labyrinth | 26.41% (14/53) | |
3763 | Plasma Field | 23.52% (4/17) | |
3764 | New Governor‘s Problem | 33.33% (16/48) | |
Yes | 3765 | Lights | 34.48% (30/87) |
3766 | Gao the grid III |
Code: https://github.com/9974/ZOJ_Month
A(3757)大模拟,题意很清楚,对着一条一条规则写,
B(3758)unsigned long long直接sqrt(n)暴力判素数
D(3750)注意到p是偶数, 所以x[i]^x[i]奇偶性一样的点一定在一个集合内, 因为gcd(偶数, p) > 1
所以按x[i]^y[i]的奇偶性来构造二分图, 然后按冲突建边 用总权值-最大流(最小割)即可
E(3761)把球处理成多个联通块,每个联通块通过dfs构造成一棵树,然后让叶子节点撞击其父亲节点即可,可以用栈来保存答案
I(3765)伸展树裸体, 不过我用可持久化treapA掉了,相比之下后者比较好调
ZOJ Monthly, March 2014(更新ing),布布扣,bubuko.com
ZOJ Monthly, March 2014(更新ing)
原文:http://blog.csdn.net/auto_ac/article/details/20393013