随笔分类 -  codefores水题集合

Educational Codeforces Round 68 (Rated for Div. 2)-C-From S To T
摘要：You are given three strings ss, tt and pp consisting of lowercase Latin letters. You may perform any number (possibly, zero) operations on these strin 阅读全文
posted @ 2019-07-15 17:47 black_hole6 阅读(252) 评论(0) 推荐(0)
Codeforces Round #571 (Div. 2)-D. Vus the Cossack and Numbers
摘要：Vus the Cossack has nn real numbers aiai. It is known that the sum of all numbers is equal to 00. He wants to choose a sequence bb the size of which i 阅读全文
posted @ 2019-06-30 11:54 black_hole6 阅读(290) 评论(0) 推荐(0)
Margarite and the best present
摘要：Little girl Margarita is a big fan of competitive programming. She especially loves problems about arrays and queries on them. Recently, she was prese 阅读全文
posted @ 2018-11-24 17:12 black_hole6 阅读(254) 评论(0) 推荐(0)
Petya and Origami
摘要：Petya is having a party soon, and he has decided to invite his nn friends. He wants to make invitations in the form of origami. For each invitation, h 阅读全文
posted @ 2018-11-24 17:11 black_hole6 阅读(235) 评论(0) 推荐(0)
A. Coins
摘要：time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 2 seconds time limit 阅读全文
posted @ 2018-11-23 00:16 black_hole6 阅读(228) 评论(0) 推荐(0)
A. Minimizing the String
摘要：A. Minimizing the String time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a 阅读全文
posted @ 2018-11-12 23:37 black_hole6 阅读(337) 评论(3) 推荐(2)