1642: [USACO]Payback(还债) 时间限制: 1 Sec 内存限制: 64 MB 提交: 190 解决: 95 [提交] [状态] [讨论版] [命题人:外部导入] 题目描述 "Never a borrower nor a lender be." O how Bessie wishes she had taken that advice! She has borrowed from or lent money to each of N (1 <= N <=…
POJ 1986 Distance Queries / UESTC 256 Distance Queries / CJOJ 1129 [USACO]距离咨询(最近公共祖先) Description Farmer John's cows refused to run in his marathon since he chose a path much too long for their leisurely lifestyle. He therefore wants to find a path…
[USACO]1.1.2 贪婪的礼物送礼者 Greedy Gift Givers 题目描述 对于一群要互送礼物的朋友,你要确定每个人送出的礼物比收到的多多少(and vice versa for those who view gift giving with cynicism). 在这一个问题中,每个人都准备了一些钱来送礼物,而这些钱将会被平均分给那些将收到他的礼物的人. 然而,在任何一群朋友中,有些人将送出较多的礼物(可能是因为有较多的朋友),有些人有准备了较多的钱. 给出一群朋友, 没有人的…
Transformations A square pattern of size N x N (1 <= N <= 10) black and white square tiles is transformed into another square pattern. Write a program that will recognize the minimum transformation that has been applied to the original pattern given…
Among the large Wisconsin cattle ranchers, it is customary to brand cows with serial numbers to please the Accounting Department. The cow hands don't appreciate the advantage of this filing system, though, and wish to call the members of their herd b…
Three farmers rise at 5 am each morning and head for the barn to milk three cows. The first farmer begins milking his cow at time 300 (measured in seconds after 5 am) and ends at time 1000. The second farmer begins at time 700 and ends at time 1200.…