We'll now go through our first section that's chock-full of challenges. After learning about the most important patterns for linear data structures, we'll get some practice with basic string problems.
Recall that a string
is sequence of characters, either as a literal constant or as some kind of variable, that can usually have its elements be mutated and length changed. Due to their prevalence in day-to-day programming, they account for a significant amount of the problems you may encounter in interviews.
After we wrap, we'll move onto some basic array interview problems.
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