Subsequence Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6570Accepted: 3829 Description Given a string s of length n, a subsequence of it, is defined as another string s' = su1su2...s
Catch That Cow Time Limit: 2000MSMemory Limit: 65536KTotal Submissions: 24664Accepted: 7604 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her imm
Poj_1018_Communication System 关键词:dp 贪心 枚举 题目描述:Communication System Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 8824 Accepted: 3095 Description We have re