day04\01malloc_new.cpp
.....\02copyconstruct.cpp
.....\03copyconstruct.cpp
.....\04static.cpp
.....\05fraction.cpp
.....\06friendfraction.cpp
.....\07dateprivate.cpp
.....\08friendfractionadd.cpp
.....\09friendfractionint.cpp
.....\10fractionmen.cpp
.....\11addsub.cpp
.....\a.out
day04