File list (Check if you may need any files):
chapter2-22.cpp
chapter2-23.cpp
chapter2-24.cpp
chapter2-25.cpp
chapter2-26.cpp
chapter2-27.cpp
chapter2-28.cpp
chapter2-29.cpp
chapter2-31.cpp
chapter2-32.cpp
chapter2-1.cpp
chapter2-3.cpp
chapter2-4.cpp
chapter2-5.cpp
chapter2-6.cpp
chapter2-7.cpp
chapter2-8.cpp
chapter2-9.cpp
chapter2-10.cpp
chapter2-11.cpp
chapter2-12.cpp
chapter2-13.cpp
chapter2-14.cpp
chapter2-15.cpp
chapter2-16.cpp
chapter2-17.cpp
chapter2-18.cpp
chapter2-19.cpp
chapter2-20.cpp
chapter2-21.cpp