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Next set of questions deals with using a special dictionary that is provided to transform a given symbol into another predefined symbol and finally, transform the that symbol into a word. Its easier than it sounds. You should be fine.
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Graduate Programmer

Interviewed at First National Bank

3.8★
Sep 1, 2018

Next set of questions deals with using a special dictionary that is provided to transform a given symbol into another predefined symbol and finally, transform the that symbol into a word. Its easier than it sounds. You should be fine.

Given a mapping between numbers to letters (there are only 26 letters). For example: a is 1,b is 2 and so on until z = 26. You need to find the number of possible words in O(n). For example: 127 - the words are combined from :{1,2,7},{12,7} (27 is not a possibility because there is no word for it.
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Programmer

Interviewed at Ben-Gurion University

4★
May 6, 2015

Given a mapping between numbers to letters (there are only 26 letters). For example: a is 1,b is 2 and so on until z = 26. You need to find the number of possible words in O(n). For example: 127 - the words are combined from :{1,2,7},{12,7} (27 is not a possibility because there is no word for it.

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