又打了一遍AC自动稽. 海星. 好像是第一次打trie图,很久以前就听闻这个思想了.OrzYYB~ // It is made by XZZ #include<cstdio> #include<algorithm> #include<cstring> #define il inline #define rg register #define vd void #define sta static typedef long long ll; il int gi(){ rg…
Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around in the barn during milking sessions. Unfortunately, the latest issue contains a rather in…
洛谷 P2893 [USACO08FEB]修路Making the Grade https://www.luogu.org/problemnew/show/P2893 JDOJ 2566: USACO 2008 Feb Gold 1.Making the Grade https://neooj.com:8082/oldoj/problem.php?id=2566 POJ Making the Grade http://poj.org/problem?id=3666 Description A s…
洛谷 P2214 [USACO14MAR]哞哞哞Mooo Moo 洛谷传送门 JDOJ 2416: USACO 2014 Mar Silver 3.Mooo Moo JDOJ传送门 Description Problem 3: Mooo Moo [silver] [Brian Dean, 2014] Farmer John has completely forgotten how many cows he owns! He is too embarrassed to go to his fiel…
ZOJ Problem Set - 1097 Code the Tree Time Limit: 2 Seconds Memory Limit: 65536 KB A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code of such a tree is built as foll…
Problem: The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total number of bits in the code, print the sequence of gray code. A gray code sequence must begin w…
1069. Prufer Code Time limit: 0.25 secondMemory limit: 8 MB A tree (i.e. a connected graph without cycles) with vertices is given (N ≥ 2). Vertices of the tree are numbered by the integers 1,…,N. A Prufer code for the tree is built as follows: a leaf…
Cow Relays Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 80 Accepted Submission(s): 13 Description Farmer John has formed a relay team for a race by choosing K (2 ≤ K ≤ 40) of his cows.…
poj 3264 http://poj.org/problem?id=3264 洛谷 P2880 https://www.luogu.org/problemnew/show/P2880 题目描述 For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimat…
传送门:http://poj.org/problem?id=3264 Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 66241 Accepted: 30833 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in…
任意门:http://poj.org/problem?id=3185 The Water Bowls Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7676 Accepted: 3036 Description The cows have a line of 20 water bowls from which they drink. The bowls can be either right-side-up (pro…
题目链接:http://poj.org/problem?id=2182 Lost Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12736 Accepted: 8168 Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, t…
题目链接:http://poj.org/problem?id=3621 Sightseeing Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11526 Accepted: 3930 Description Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big ci…
Best Cow Fences Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 16945 Accepted: 5425 Description Farmer John's farm consists of a long row of N (1 <= N <= 100,000)fields. Each field contains a certain number of cows, 1 <= ncows <…
