18XiWenjuan
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(共304篇)
hdu1541 Stars(CDQ分治 + 二维偏序)
Stars Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 17829 Accepted Submission(s): 6482 ...
2020-09-21
0
482
luoguP1908 逆序对(CDQ分治)
题目描述 猫猫 TOM 和小老鼠 JERRY 最近又较量上了,但是毕竟都是成年人,他们已经不喜欢再玩那种你追我赶的游戏,现在他们喜欢玩统计。 最近,TOM 老猫查阅到一个人类称之为“逆序对”的东西,这东西是这样定义的:对于给定的一段正整数序列,逆序对就是序列中 a_i>a_jai>...
2020-09-21
0
441
poj3436 ACM Computer Factory(网络流最大流 + 拆点 + 建图 + 输出路径)
ACM Computer Factory Time Limit: 1000MS Memory Limit: 65536K Total Submissions:12151 Accepted:4563 Special ...
2020-09-21
0
653
POJ - 3281 Dining (网络流最大流 + 拆点)
Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John has cooked fabulous...
2020-09-21
0
561
POJ - 1087 A Plug for UNIX (网络流最大流 + 建图)
You are in charge of setting up the press room for the inaugural meeting of the United Nations Internet eXecutive (UNIX), which has an internationa...
2020-09-21
0
510
POJ - 2195 Going Home (最小费用最大流模板 Bellman-Ford + spfa + dijkstra)
On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to ...
2020-09-21
0
449
POJ - 2516 Minimum Cost (最小费用)
Dearboy, a goods victualer, now comes to a big problem, and he needs your help. In his sale area there are N shopkeepers (marked from 1 to N) which st...
2020-09-21
0
478
2016ccpc网络赛 HDU - 5833 Zhu and 772002(高斯消元求解异或方程组)
Zhu and 772002 are both good at math. One day, Zhu wants to test the ability of 772002, so he asks 772002 to solve a math problem. But 772002 has a a...
2020-09-21
1
756
hdu2135 Farm Tour (最小费用最大流)
Farm Tour Time Limit: 1000MS Memory Limit: 65536K Total Submissions:22944 Accepted: 8792 Description When F...
2020-09-21
0
476
LuoguP1352 没有上司的舞会(树形dp)
题目描述 某大学有 nn 个职员,编号为 1\ldots n1…n。 他们之间有从属关系,也就是说他们的关系就像一棵以校长为根的树,父结点就是子结点的直接上司。 现在有个周年庆宴会,宴会每邀请来一个职员都会增加一定的快乐指数 r_iri,但是呢,如果某个职员的直接上司来参加舞会了,那么这个职...
2020-09-21
0
466
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