Editorial for CCC '15 J2 - Happy or Sad
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
The problem is asking you to count the number of occurrences of a specific pattern in a string. Remember to output none if there are no matches and make sure to match the specified pattern exactly within the string.
Time Complexity:
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