Balanced Lineup
Description
For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decid ......
NC24866 [USACO 2009 Dec S]Music Notes
题目描述
FJ is going to teach his cows how to play a song. The song consists of N (1 <= N <= 50,000) notes, and ......
Keeping track of all the cows can be a tricky task so Farmer John has installed a system to automate it. He has installed on each cow an electronic ID ......
Farmer John has noticed that his cows often move between nearby fields. Taking this into account, he wants to plant enough grass in each of his fields ......