摘要: F. Coffee Varieties time limit per test1 second memory limit per test256 megabytes This is the easy version of the problem. You can find the hard vers 阅读全文
posted @ 2020-02-03 19:47 qscqesze 阅读(491) 评论(0) 推荐(0) 编辑
摘要: E. Prefix Enlightenment time limit per test3 seconds memory limit per test256 megabytes There are n lamps on a line, numbered from 1 to n. Each one ha 阅读全文
posted @ 2020-02-03 19:37 qscqesze 阅读(568) 评论(0) 推荐(3) 编辑
摘要: D. Irreducible Anagrams time limit per test2 seconds memory limit per test256 megabytes Let's call two strings s and t anagrams of each other if it is 阅读全文
posted @ 2020-02-03 19:31 qscqesze 阅读(462) 评论(1) 推荐(0) 编辑
摘要: C. Mind Control time limit per test1 second memory limit per test256 megabytes You and your n−1 friends have found an array of integers a1,a2,…,an. Yo 阅读全文
posted @ 2020-02-03 19:23 qscqesze 阅读(495) 评论(4) 推荐(2) 编辑
摘要: B. Array Sharpening time limit per test1 second memory limit per test256 megabytes You're given an array a1,…,an of n non negative integers. Let's cal 阅读全文
posted @ 2020-02-03 19:12 qscqesze 阅读(344) 评论(0) 推荐(0) 编辑
摘要: A. Even But Not Even time limit per test1 second memory limit per test256 megabytes Let's define a number ebne (even but not even) if and only if its 阅读全文
posted @ 2020-02-03 19:08 qscqesze 阅读(441) 评论(0) 推荐(0) 编辑