Clock（七段仿真时钟）
.....................\clock
.....................\.....\clock.cpp
.....................\.....\clock.sdf
.....................\.....\clock.sln
.....................\.....\clock.v12.suo
.....................\.....\clock.vcxproj
.....................\.....\clock.vcxproj.filters
.....................\.....\Debug
.....................\.....\.....\clock.exe
.....................\.....\.....\clock.ilk
.....................\.....\.....\clock.log
.....................\.....\.....\clock.obj
.....................\.....\.....\clock.pdb
.....................\.....\.....\clock.tlog
.....................\.....\.....\..........\CL.read.1.tlog
.....................\.....\.....\..........\CL.write.1.tlog
.....................\.....\.....\..........\clock.lastbuildstate
.....................\.....\.....\..........\link.read.1.tlog
.....................\.....\.....\..........\link.write.1.tlog
.....................\.....\.....\vc120.idb
.....................\.....\.....\vc120.pdb