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提醒没做的人!!!All strings must be merged into the resulting sequence! 这句话很重要; 就是说每个字符串必须加在已经合并的字符串的后面 例如: 3 ATTAA TA TAAC (TA+ATTAA)+TAAC=TATTAAC 答案为7; 所以 ATTAA+(TA+TAAC)=ATTAAC是不对的!ATTAA不能在(TA+TAAC)的左边!所以6是不存在的! Followed by:
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