摘要: There are nn models in the shop numbered from 11 to nn, with sizes s1,s2,…,sns1,s2,…,sn. Orac will buy some of the models and will arrange them in the 阅读全文
posted @ 2020-05-25 12:17 DeaL57 阅读(239) 评论(0) 推荐(0) 编辑
摘要: Skier rides on a snowy field. Its movements can be described by a string of characters 'S', 'N', 'W', 'E' (which correspond to 11 meter movement in th 阅读全文
posted @ 2020-05-25 10:05 DeaL57 阅读(216) 评论(0) 推荐(0) 编辑
摘要: Petya and Vasya are competing with each other in a new interesting game as they always do. At the beginning of the game Petya has to come up with an a 阅读全文
posted @ 2020-05-25 09:23 DeaL57 阅读(133) 评论(0) 推荐(0) 编辑