摘要：
Given an array A of strings, find any smallest string that contains each string in A as a substring. We may assume that no string in A is substring of 阅读全文
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| 日 | 一 | 二 | 三 | 四 | 五 | 六 | |||
|---|---|---|---|---|---|---|---|---|---|
| 30 | 31 | 1 | 2 | 3 | 4 | 5 | |||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | |||
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | |||
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | |||
| 27 | 28 | 29 | 30 | 1 | 2 | 3 | |||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||
