摘要:
Tight wordsTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 2079Accepted: 1041DescriptionGiven is an alphabet {0, 1, ... , k}, 0 <= k <= 9 . We say that a word of length n over this alphabet is tight if any two neighbour digits in the word do not differ by more than 1. InputInput is a
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