easy c++
........\10_1
........\....\10_1.dsp
........\....\10_1.dsw
........\....\10_1.ncb
........\....\10_1.opt
........\....\10_1.plg
........\....\8_1.dsp
........\....\8_1.dsw
........\....\8_1.ncb
........\....\8_1.opt
........\....\8_1.plg
........\....\main.cpp
........\10_2
........\....\8_2.dsp
........\....\8_2.dsw
........\....\8_2.ncb
........\....\8_2.opt
........\....\8_2.plg
........\....\main.cpp
........\10_3_2
........\......\10_3_2.dsp
........\......\10_3_2.dsw
........\......\10_3_2.ncb
........\......\10_3_2.opt
........\......\10_3_2.plg
........\......\main.cpp
........\10_4
........\....\10_4.dsp
........\....\10_4.dsw
........\....\10_4.ncb
........\....\10_4.opt
........\....\10_4.plg
........\11_1_1
........\......\11_1_1.dsp
........\......\11_1_1.dsw
........\......\11_1_1.ncb
........\......\11_1_1.opt
........\......\11_1_1.plg
........\......\main.cpp
........\11_1_2
........\......\11_1_2.dsp
........\......\11_1_2.dsw
........\......\11_1_2.ncb
........\......\11_1_2.opt
........\......\11_1_2.plg
........\......\main.cpp
........\11_2
........\....\11_2.dsp
........\....\11_2.dsw
........\....\11_2.ncb
........\....\11_2.opt
........\....\11_2.plg
........\....\b.h
........\....\main.cpp
........\....\shape.h
........\11_3_1
........\......\11_3_1.dsp
........\......\11_3_1.dsw
........\......\11_3_1.ncb
........\......\11_3_1.opt
........\......\11_3_1.plg
........\......\main.cpp
........\11_4
........\....\11_4.dsp
........\....\11_4.dsw
........\....\11_4.ncb
........\....\11_4.opt
........\....\11_4.plg
........\....\main.cpp
........\11_5
........\....\11_5.dsp
........\....\11_5.dsw
........\....\11_5.ncb
........\....\11_5.opt
........\....\11_5.plg
........\....\main.cpp
........\12_2_1
........\......\12_2_1.dsp
........\......\12_2_1.dsw
........\......\12_2_1.ncb
........\......\12_2_1.opt
........\......\12_2_1.plg
........\......\main.cpp
........\12_2_2
........\......\12_2_2.dsp
........\......\12_2_2.dsw
........\......\12_2_2.ncb
........\......\12_2_2.opt
........\......\12_2_2.plg
........\......\main.cpp
........\12_2_3
........\......\12_2_3.dsp
........\......\12_2_3.dsw
........\......\12_2_3.ncb
........\......\12_2_3.opt
........\......\12_2_3.plg
........\......\main.cpp
........\12_4_1
........\......\12_4_1.dsp