2017年2月17日
The Worm Turns
摘要： The Worm Turns Problem Description Winston the Worm just woke up in a fresh rectangular patch of earth. The rectangular patch is divided into cells, a 阅读全文
posted @ 2017-02-17 23:48 勿忘初心0924 阅读(289) 评论(0) 推荐(0)
Equations
摘要： Equations Problem Description Consider equations having the following form: a*x1^2+b*x2^2+c*x3^2+d*x4^2=0a, b, c, d are integers from the interval [-5 阅读全文
posted @ 2017-02-17 11:32 勿忘初心0924 阅读(425) 评论(0) 推荐(0)
Snail’s trouble
摘要： Snail’s trouble Problem Description Once upon a time, there was a poor snail. Every day, it tried very hard to crawl forward, while there was a keeper 阅读全文
posted @ 2017-02-17 10:33 勿忘初心0924 阅读(225) 评论(0) 推荐(0)