Big-O notation edits
Big-O notation edits

- paragraph collapsing
- contractions
- cleaned up T(n) section

Bradfield/algorithms-and-data-structures,Bradfield/algorithms-and-data-structures,Bradfield/algos,Bradfield/algos,Bradfield/algorithms-and-data-structures,Bradfield/algorithms-and-data-structures,Bradfield/algos,Bradfield/algos