称6_2c程序说明输入一行字符，分别统计出其中英文字母，空格，数字和其它字符的个数write
byDo
gHo
gtaoi
cludectypeh用来调用isalpha和isdigit函数i
cludestdiohmai
charaai
tich0
um0space0other0clrscrpri
tf