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Problem 1124. String permutations on phone keyboard

Difficulty:Rate

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Solution 178642

Submitted on 18 Dec 2012

Size: 139
Leading solution size is 39.

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1 Comment

1 Comment

sea knowledge on 18 Dec 2012

why the given result is in the format of cell,not char,why 'amdw'~='admw',which my matlab only give the latter,rather than the former one

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