inception_95's blog

By inception_95, history, 2 years ago, In English,

After watching this video Algorithms Live! Episode 3 — Rolling Hashes and Bloom Filters, I tried to implement pull character from last by myself and applying it on this problem here:

Problem: 1423. String Tale

Code : My code

Is my implementation wrong? if so, what is wrong in this? or can anyone give a code that works like the same principle as the video and works perfectly?

Thanks in advance.

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2 years ago, # |
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Auto comment: topic has been updated by inception_95 (previous revision, new revision, compare).

2 years ago, # |
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Problem is, probably, because of this

may contain any ASCII characters with codes from 33 to 255

So for characters with codes more than 127, their char values will be < 0. And you don't take this into account, when you take modulo of products with these values. Just cast all codes into unsigned char before use.