Network Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1293    Accepted Submission(s): 575 Problem Description The ALPC company is now working on his own network system, which is connecting all…

P2912 [USACO08OCT]牧场散步Pasture Walking 题目描述 The N cows (2 <= N <= 1,000) conveniently numbered 1..N are grazing among the N pastures also conveniently numbered 1..N. Most conveniently of all, cow i is grazing in pasture i. Some pairs of pastures are…

Design the city Time Limit: 1 Second      Memory Limit: 32768 KB Cerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams everywhere. Now, Cerror finds out that the main reason…

Counting Offspring Time Limit: 15000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2809    Accepted Submission(s): 981 Problem Description You are given a tree, it’s root is p, and the node is numbered from 1…

[POI2007]MEG-Megalopolis 题目描述 Byteotia has been eventually touched by globalisation, and so has Byteasar the Postman, who once roamedthe country lanes amidst sleepy hamlets and who now dashes down the motorways. But it is those strolls inthe days of…

2016年12月31日 星期六 --出埃及记 Exodus 21:26 "If a man hits a manservant or maidservant in the eye and destroys it, he must let the servant go free to compensate for the eye. 人若打坏了他奴仆或是婢女的一只眼,就要因他的眼放他去得以自由.…

2016年12月30日 星期五 --出埃及记 Exodus 21:25 burn for burn, wound for wound, bruise for bruise.以烙还烙,以伤还伤,以打还打.…

2016年12月29日 星期四 --出埃及记 Exodus 21:24 eye for eye, tooth for tooth, hand for hand, foot for foot,以眼还眼,以牙还牙,以手还手,以脚还脚,…

2016年12月28日 星期三 --出埃及记 Exodus 21:23 But if there is serious injury, you are to take life for life,若有别害,就要以命偿命,…

2016年12月27日 星期二 --出埃及记 Exodus 21:22 "If men who are fighting hit a pregnant woman and she gives birth prematurely but there is no serious injury, the offender must be fined whatever the woman's husband demands and the court allows. 人若彼此争斗,伤害有孕的妇人,甚至坠…