File list (Check if you may need any files):
统计字符串中每个字母出现的个数\1.cpp
..............................\1.dsp
..............................\1.dsw
..............................\1.ncb
..............................\1.opt
..............................\1.plg
..............................\123.dsp
..............................\123.dsw
..............................\123.ncb
..............................\123.opt
..............................\123.plg
..............................\Debug\1.exe
..............................\.....\1.ilk
..............................\.....\1.obj
..............................\.....\1.pch
..............................\.....\1.pdb
..............................\.....\123.exe
..............................\.....\123.ilk
..............................\.....\123.pch
..............................\.....\123.pdb
..............................\.....\vc60.idb
..............................\.....\vc60.pdb
..............................\Debug
统计字符串中每个字母出现的个数