乐逍遥xwl

摘要： 原文链接：https://www.cnblogs.com/xwl3109377858/p/11564279.html Codeforces Round #587 (Div. 3) C - White Sheet There is a white sheet of paper lying on a r 阅读全文

摘要： 原文链接：https://www.cnblogs.com/xwl3109377858/p/11564317.html Codeforces Round #587 (Div. 3) D - Swords There were n types of swords in the theater basem 阅读全文

摘要： 原文链接：https://www.cnblogs.com/xwl3109377858/p/11564214.html Codeforces Round #587 (Div. 3) B - Shooting Recently Vasya decided to improve his pistol sh 阅读全文

摘要： 原文链接：https://www.cnblogs.com/xwl3109377858/p/11564167.html Codeforces Round #587 (Div. 3) A - Prefixes Nikolay got a string s of even length n, which 阅读全文