12 2019 档案

摘要:链接:http://codeforces.com/contest/1265 A. Beautiful String A string is called beautiful if no two consecutive characters are equal. For example, "ababc 阅读全文
posted @ 2019-12-10 21:37 liyexin 阅读(213) 评论(0) 推荐(0)
摘要:Description AK爷最近收到一份兼职,是去幼儿园看小朋友,AK爷认为看孩子这件事情很简单,但是事实并非如此。幼儿园里的孩子们喜欢数学,不仅九九乘法口诀倒背如流而且精通各种算法。某天,AK爷上完课,有一个调皮的孩子走过来说:“AK老师,我有一道数学题目不会,你能帮帮我吗?给你一个数字N,紧接 阅读全文
posted @ 2019-12-08 20:15 liyexin 阅读(257) 评论(0) 推荐(0)
摘要:Codeforces Round #603 (Div. 2) A. Sweet Problem A. Sweet Problem time limit per test 1 second memory limit per test 256 megabytes input standard input 阅读全文
posted @ 2019-12-06 19:11 liyexin 阅读(209) 评论(0) 推荐(0)