USACO 2022 February Contest, Platinum Problem 3. Phone Numbers Bessie has a new cell phone with nine buttons, laid out as follows: 123 456 789 Bessie is trying to type out a given phone numb...
话不多说，先看参赛要求！IEYI世界青少年创新发明展怎么报名？ 参赛要求 6-19岁的在校学生，按年龄分组，如果参赛队伍中有混年龄的情况则以队员最高年龄分组 低年级组：6-14 岁 高年级组：15-19 岁 组队或个人参...
USACO 2022 February Contest, Platinum Problem 2. Sleeping in Class Bessie the cow was excited to recently return to in-person learning! Unfortunately, her instructor, Farmer John, is a very boring ...
ACM-ICPC国际大学生程序设计学术活动 国际大学生程序设计学术活动（英文全称：International Collegiate Programming Contest（简称 ICPC））是一项旨在展示大学生创新能力、团队精神和在压力下编写程序、分析和...
USACO 2022 February Contest, Platinum Problem 1. Paint by Rectangles After her previous artwork was met with critical acclaim, Bessie was offered a job designing painting sets. She designs these pa...
IEA旨在锻炼高中生利用经济学原理解释社会问题的能力。通过分析和描述市场在解决经济和社会问题中的作用，提高学生对自由社会基本制度的理解。2022 IEA论文写作学术活动即将截止！感兴趣的同学不要错过~ 面向学生...
沃顿商业投资挑战赛（The Wharton Global High School Investment Competition），简称WGHS，是一项面向全球9-12年级高中生和教师且免费的线上投资学术活动，由宾夕法尼亚大学沃顿商学院官方举办。 比赛每年9月下...
USACO 2022 January Contest, Bronze Problem 3. Drought The grass has dried up in Farmer John's pasture due to a drought. After hours of despair and contemplation, Farmer John comes up with the brill...
USACO 2022 January Contest, Bronze Problem 2. Non-Transitive Dice To pass the time in the barn, the cows enjoy playing simple dice games. One of these games is played with two dice X and Y. Both ar...
