2017 年 5月 15 日随笔档案 - Crutain

2017年5月15日

摘要： Fedya studies in a gymnasium. Fedya's maths hometask is to calculate the following expression: (1^n + 2^n + 3^n + 4^n) mod 5 for given value of n. Fed 阅读全文

posted @ 2017-05-15 15:21 Crutain 阅读(254) 评论(0) 推荐(0)

Codeforces 743A. Vladik and flights

摘要： Vladik is a competitive programmer. This year he is going to win the International Olympiad in Informatics. But it is not as easy as it sounds: the qu 阅读全文

posted @ 2017-05-15 14:47 Crutain 阅读(183) 评论(0) 推荐(0)