ex2_4\ex2_4.dsp .....\ex2_4.dsw .....\ex2_4.ncb .....\ex2_4.opt .....\ex2_4.plg .....\exercise2.cpp .....\Debug\ex2_4.exe .....\.....\ex2_4.ilk .....\.....\ex2_4.pch .....\.....\ex2_4.pdb .....\.....\exercise2.obj .....\.....\vc60.idb .....\.....\vc60.pdb .....\Debug ex2_4