HBC237447[HEOI2012]旅行问题,AC自动机,字符串Minimum Expression题解

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You are given an integer of length nnn consisting digits 1 to 9. There is no digit 0 in the integer. Now, you need to insert mmm (1≤m

You are given an integer of length nnn consisting digits 1 to 9. There is no digit 0 in the integer. Now, you need to insert mmm (1≤m

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标签： HBC237447[HEOI2012]旅行问题 AC自动机 字符串Minimum Expression题解