闰年判别
........\Debug
........\.....\vc60.pdb
........\.....\判别闰年program.exe
........\.....\判别闰年program.obj
........\.....\判别闰年program.pdb
........\判别闰年program.cpp
........\判别闰年program.dsp
........\判别闰年program.dsw
........\判别闰年program.ncb
........\判别闰年program.opt
........\判别闰年program.plg