（比赛）A - Simple String Problem

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（比赛）A - Simple String Problem

A - Simple String Problem Time Limit:10000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Practice POJ 2236 Description An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network wi…

FZU - 2218 Simple String Problem（状压dp）

Simple String Problem Recently, you have found your interest in string theory. Here is an interesting question about strings. You are given a string S of length n consisting of the first k lowercase letters. You are required to find two non-empty sub…

FZU - 2218 Simple String Problem 状压dp

FZU - 2218Simple String Problem 题目大意:给一个长度为n含有k个不同字母的串,从中挑选出两个连续的子串,要求两个子串中含有不同的字符,问这样的两个子串长度乘积最大是多少? 根据题目所给的k<=16很自然的想到用状压dp来处理,但不知道该dp个什么,在观摩大佬的做法后才明白.我们用0000000000000000到1111111111111111表示pomnlkjhgfedcba的字符存不存在的状态,某个字符存在的话对应位就是1,反之就是0.一开始dp[x]就表示,…

fzu2218 Simple String Problem

Accept: 2 Submit: 16 Time Limit: 2000 mSec Memory Limit : 32768 KB Problem Description Recently, you have found your interest in string theory. Here is an interesting question about strings. You are given a string S of length n consisting of t…

FZU 2218 Simple String Problem（简单字符串问题）

Description 题目描述 Recently, you have found your interest in string theory. Here is an interesting question about strings. You are given a string S of length n consisting of the first k lowercase letters. You are required to find two non-empty substrin…