USACO 2022 February Contest, Bronze Problem 2. Photoshoot 2 In what seems to be a familiar occurrence, Farmer John is lining up his NN cows (1≤N≤1051≤N≤105), conveniently numbered 1…N1…N, for a pho...
USACO 2022 February Contest, Bronze Problem 1. Sleeping in Class Bessie the cow was excited to recently return to in-person learning! Unfortunately, her instructor, Farmer John, is a very boring l...
USACO 2022 February Contest, Silver Problem 3. Email Filing Farmer John has fallen behind on organizing his inbox. The way his screen is organized, there is a vertical list of folders on the left s...
钻石挑战赛创业大赛报名即将截止！抓紧时间报名！ The Diamond Challenge 钻石挑战赛 于 2012 年创立，致力于培养下一代的企业家精神，将创业的职业发展道路呈现给高中生，为他们提供了一个了解创业过程的机会，...
USACO 2022 February Contest, Silver Problem 2. Robot Instructions Bessie is learning how to control a robot she has recently received as a gift. The robot begins at point (0,0)(0,0) on the coordina...
USACO 2022 February Contest, Silver Problem 1. Redistributing Gifts Farmer John has NN gifts labeled 1…N1…N for his NN cows, also labeled 1…N1…N (1≤N≤5001≤N≤500). Each cow has a wishlist, which is ...
USACO 2022 February Contest, Gold Problem 3. Moo Network Farmer John's NN cows (1≤N≤1051≤N≤105) are spread far apart on his farm and would like to build a communication network so they can more eas...
USACO 2022 February Contest, Gold Problem 2. Cow Camp To qualify for cow camp, Bessie needs to earn a good score on the last problem of the USACOW Open contest. This problem has TT distinct ...
dmm杜克数学大会难吗？什么是DMM学术活动？ 杜克大学青少年数学大会（Duke University Mathematics Meet ，简称Duke Math Meet，DMM）是由美国杜克大学数学联合会举办的年度中学生数学交流活动，已有近20年的举办...
