统计算法
........\BP.CPP
........\BP.DSP
........\BP.DSW
........\BP.ncb
........\BP.OPT
........\BP.PLG
........\bp.txt
........\Debug
........\.....\BP.exe
........\.....\BP.ilk
........\.....\BP.obj
........\.....\BP.pch
........\.....\BP.pdb
........\.....\vc60.idb
........\.....\vc60.pdb