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Runtime error with taking string input of repeated characters
By cote, history, 4 years ago, In English

Hi,

I am trying to solve this problem on codeforces: 126B - Password

However, my submitted code got RE on string with repeated characters like aaaa, www, ss, ... You could check the submission here: 97046351.

I don't know why the error arise. This is the first time I've encountered this kind of RE. Please help me with this.

Thanks in advance.

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4 years ago, # |
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Just check if size of s2, s3 is greater than zero before accessing the last element, i submitted your code with changes but it TLE'd on test 59. see this

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    4 years ago, # ^ |
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    So the problem is with the set. I thought it was something about the input. Thanks a lot.

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