创新创业竞赛科普
大学生创业计划竞赛简介大学生创业计划竞赛起源于美国,又称商... 赛事组织开展时间:3月启动,9月进行决赛. 全国大学生数学建...
因特尔国际科学与工程大奖赛
范围涵盖美国和其他70几个国家,可个人或团队参赛.竞赛学科竞赛学科涵盖动物学、行为和社会科学、生物化学、细胞和分子生物学...
AMC/AIME美国数学竞赛荣誉与奖章
AMC/AIME美国数学学术活动荣誉与奖章 Awards for the AMC 10/AMC 12 Contests, AIME & USAMO Examinations AMC10/12国际奖项 AMC10/12 International Awards AMC/AIME系列奖项共分Pin，Medal，Certificate三...
USACO 2019 US Open Contest, Platinum Problem 3. Valleys
Bessie likes sightseeing, and today she is looking for scenic valleys. Of interest is an N×NN×N grid of cells, where each cell has a height. Every cell outside this square grid can be considered to...
USACO 2019 US Open Contest, Gold Problem 3. Balancing Inversions
Bessie and Elsie were playing a game on a boolean array AA of length 2N2N (1≤N≤1051≤N≤105). Bessie's score was the number of inversions in the first half of AA, and Elsie's score was the number of ...
USACO 2019 US Open Contest, Gold Problem 2. I Would Walk 500 Miles
Farmer John wants to divide his NN cows (N≤7500)(N≤7500), conveniently numbered 1…N1…N, into KK non-empty groups (2≤K≤N2≤K≤N) such that no two cows from two different groups can interact with each ...
USACO 2019 US Open Contest, Gold Problem 1. Snakes
According to legend, St. Patrick banished all of the snakes in Mooland over a thousand years ago. However, snakes have since made their way back to Mooland! St. Patrick’s day was on March 17, so Be...
2019年3月USACO黄金级获奖名单
整理自USACO官网，名单较长，建议使用页面内查找（Ctrl+F）快速定位 Final Results: USACO 2019 US Open Contest, Gold Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t...
USACO 2019 US Open Contest, Platinum Problem 2. Compound Escape
Bessie and friends have been captured and are trapped in a secret compound in a location far from their farm, and it is up to Bessie to plan their escape! The compound consists of NKNK holding cell...
