用''括起来的只能有一个字符,如'c', 'c['就要出错，当你要使用某个字符变量时，直接用变量名就行了，不用使用单引号 如有 char ch='b';在使用时这样就行了 if ('a'< ch)你这三行这样改就行了11: if('A
'<=ch[m] && ch[m]<='Z'&&'a'<=ch[m] && ch[m]<='z')13: if('0'<=ch[m] && ch[m]<='9')15: if(ch[m]==' ')顺便说一句，在C
语言类似于 a<b<c 这种表达式不能直接这么写要写成以下形式：a<b && b<c

else if((a[i]=='/') && (a[i£«1]=='*'))代码错误 too many characters in constant,求指导。

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