摘要： E - 在摩天轮转完这一圈结束掉，好吗？ HDU - 1561 ACboy很喜欢玩一种战略游戏，在一个地图上，有N座城堡，每座城堡都有一定的宝物，在每次游戏中ACboy允许攻克M个城堡并获得里面的宝物。但由于地理位置原因，有些城堡不能直接攻克，要攻克这些城堡必须先攻克... 阅读全文

摘要： 调查问卷 Accepts: 401 Submissions: 1731 Time Limit: 6500/6000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Problem Descr... 阅读全文

摘要： 子串查询 Accepts: 1262 Submissions: 5335 Time Limit: 3500/3000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Problem Desc... 阅读全文

摘要： J - Chores POJ - 1949 Farmer John's family pitches in with the chores during milking, doing all the chores as quickly as possible. At ... 阅读全文

摘要： I - Bone Collector HDU - 2602 Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to c... 阅读全文

摘要： H - Piggy-Bank HDU - 1114 Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main... 阅读全文

摘要： G - Bridging signals POJ - 1631 'Oh no, they've done it again', cries the chief designer at the Waferland chip factory. Once more the ... 阅读全文

摘要： F - Anniversary party HDU - 1520 There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The Uni... 阅读全文

摘要： E - Longest Regular Bracket Sequence CodeForces - 5C This is yet another problem dealing with regular bracket sequences.We should remi... 阅读全文

摘要： K - UZI HDU - 2102 可怜的公主在一次次被魔王掳走一次次被骑士们救回来之后，而今，不幸的她再一次面临生命的考验。魔王已经发出消息说将在T时刻吃掉公主，因为他听信谣言说吃公主的肉也能长生不老。年迈的国王正是心急如焚，告招天下勇士来拯救公主。不过公主早已习... 阅读全文