How to find smallest substring which contains all characters from a given string?
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Published on 2010-03-17T03:00:38Z
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I have recently come across an interesting question on strings. Suppose you are given following:
Input string1: "this is a test string"
Input string2: "tist"
Output string: "t stri"
So, given above, how can I approach towards finding smallest substring of string1 that contains all the characters from string 2?
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