vector\test.cpp ......\vector.dsp ......\vector.dsw ......\vector.h ......\vector.ncb ......\vector.opt ......\vector.plg vector 4_2\4_2.dsp ...\4_2.dsw ...\4_2.ncb ...\4_2.opt ...\4_2.plg ...\4_2.sln ...\4_2.suo ...\main.cpp 4_2