摘要：1086: 超市购物Time Limit: 1 SecMemory Limit: 128 MBSubmit: 183Solved: 73[Submit][Status][Web Board]Description 上次去超市扫荡回来的东西用完了,Staginner又得跑超市一趟，出发前他列了一张购物清单，打算去买K种不同的商品,每种买一件。到了超市，Staginner发现每种商品有N个品牌，每个品牌此商品的价格为Vi，对Staginner的作用值为Wi，他会从这N个品牌里面挑一个品牌买。这时，Staginner突然想起出门时只带了M元钱，又懒得去取钱了，所以不一定能买完K种商品，只好尽可... 阅读全文

摘要：Charm BraceletTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 15677Accepted: 7130DescriptionBessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (1 ≤ N ≤ 3... 阅读全文

摘要：斌牛出的校赛题1271: Brackets SequenceTime Limit: 1 SecMemory Limit: 128 MBSubmit: 92Solved: 36[Submit][Status][Web Board]Description Let us define a regular brackets sequence in the following way: 1. Empty sequence is a regular sequence. 2. If S is a regular sequence, then (S) is a regular sequenc... 阅读全文

摘要：Where's Waldorf?Given a m by n grid of letters, ( ), and a list of words, find the location in the grid at which the word can be found. A word matches a straight, uninterrupted line of letters in the grid. A word can match the letters in the grid regardless of case (i.e. upper and lower case let 阅读全文