Chapter 5.4 is ignored.
question 6.5-9 still have some problems. problem 8-5 e is not done. problem 8-7 is not done.
question 9.3-6 still have bugs.That is the algorithm of O(n) select the kth number. problem 3.a problem 4
chapter 12 12.4 is skipped. problem 12.3 12.4
chapter 13 codes of red-black tree will be added later. all problems.
chapter 14 skimmed.
chapter 15 ex15.5-4 all problems
ch16 chapter16.4, 16.5 all problems
ch17 chapter17.4 and problem are skipped.
ch22 Exercise: 22.2-8 22.2-9 22.5-5 22.5-6 22.5-7