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【dp】或者玄学【库函数】？Two strings HDU - 6170 【正则匹配字符串】 Giving two strings and you should judge if they are matched. The first string contains lowercase letters and uppercase letters. The second string co...

【字符串 Hash】【DP】 HDU - 5763 Another Meaning【串s2可用第二种意思替换，问串一这句话可能有几种含义】 As is known to all, in many cases, a word has two meanings. Such as “hehe”, which not only means “hehe”, but also means “excuse...

【字典树】【DP】UVALive - 3942 Remember the Word 【给长字符串str和n个单词，把该字符串分解成若干个单词的方法有几种】 Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has a pho...