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g152xx

Given a list of words, L, that are all the same length, and a string, S, find the starting position of the substring of S that is a concatenation of each word in L exactly once and without any intervening characters. This substring will occur exactly once in S. The first line of input specifies L, it will contain between 1 and 100 space-separated words, each between 1 and 10 characters long. The second line of input specifies S, the line will contain a single word up to 1 million characters long. The characters in both L and S should be treated as case-sensitive.

  • one year ago
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  1. g152xx
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    Example: L: "fooo", "barr", "wing", "ding", "wing" S: "lingmindraboofooowingdingbarrwingmonkeypoundcake" fooowingdingbarrwing Answer: 13 L: "mon", "key" S: "monkey monkey Answer: 0 L: "a", "b", "c", "d", "e" S: "abcdfecdba" ecdba Answer: 5

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