摘要：B.Hidden StringTime Limit: 1 SecMemory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=610&pid=1002Description今天是... 阅读全文

摘要：EvilTime Limit: 5 SecMemory Limit: 256 MB题目连接http://codeforces.com/gym/100463/attachmentsDescriptionRichard is evil. He wants to give another geometry... 阅读全文

摘要：数独挑战Time Limit: 1 SecMemory Limit: 256 MB题目连接http://codevs.cn/problem/2924/Description“芬兰数学家因卡拉，花费3个月时间设计出了世界上迄今难度最大的数独游戏，而且它只有一个答案。因卡拉说只有思考能力最快、头脑最聪明... 阅读全文

摘要：J. Deck ShufflingTime Limit: 2SecMemory Limit: 256 MB题目连接http://codeforces.com/gym/100187/problem/JDescriptionThe world famous scientist Innokentiy co... 阅读全文