01 2020 档案
摘要：Bessie noted that although humans have many universities they can attend, cows have none. To remedy this problem, she and her fellow cows formed a new
阅读全文
摘要："Fat and docile, big and dumb, they look so stupid, they aren't muchfun..."- Cows with Guns by Dana LyonsThe cows want to prove to the public that the
阅读全文
摘要：A straight dirt road connects two fields on FJ's farm, but it changes elevation more than FJ would like. His cows do not mind climbing up or down a si
阅读全文
摘要：There is a pile of n wooden sticks. The length and weight of each stick are known in advance. The sticks are to be processed by a woodworking machine
阅读全文
摘要：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
阅读全文
摘要：Protecting the Flowers Farmer John went to cut some wood and left N (2 ≤ N ≤ 100,000) cows eating the grass, as usual. When he returned, he found to h
阅读全文
摘要：Allowance As a reward for record milk production, Farmer John has decided to start paying Bessie the cow a small weekly allowance. FJ has a set of coi
阅读全文
摘要：Stall Reservations Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B
阅读全文
摘要：Cleaning Shifts Farmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always wants to have one
阅读全文
摘要：おせんべい 問題 IOI製菓では，創業以来の伝統の製法で煎餅（せんべい）を焼いている．この伝統の製法は，炭火で一定時間表側を焼き，表側が焼けると裏返して，炭火で一定時間裏側を焼くというものである．この伝統を守りつつ，煎餅を機械で焼いている．この機械は縦 R (1 ≤ R ≤ 10) 行, 横 C (
阅读全文
摘要：Smallest Difference Given a number of distinct decimal digits, you can form one integer by choosing a non-empty subset of these digits and writing the
阅读全文
摘要：日文原文： 7 パズル 7 パズルは 8 つの正方形のカードとこれらのカードがぴたりと収まる枠で構成されています。それぞれのカードには、互いに区別できるように 0, 1, 2, ..., 7 と番号がつけられています。枠には、縦に 2 個、横に 4 個のカードを並べることができます。 7 パズルを始
阅读全文
摘要：题目： 有n根棍子，棍子i的长度为ai。想要从中选出三根棍子组成周长尽可能长的三角形。请输出最大的周长，若无法组成三角形则输出0。 限制条件 3 ≤ n ≤ 100 1 ≤ ai ≤ 10^6输入 n = 5 a = {2,3,4,5,10} 输出 12（选择3、4、5时） 输入 n = 4 a =
阅读全文