中缀表达式转换后缀表达式，不知道哪里错了，求大家帮助下
#include <stdio.h>#include <stdlib.h>
#defineSTACK_INIT_SIZE20
#defineSTACKINCREMENT 10
typedef char ElemType;
typedef struct
{
ElemType *base;
ElemType *top;
int stackSize;
}sqStack;
void InitStack(sqStack *s)
{
s->base = (ElemType *)malloc(STACK_INIT_SIZE *sizeof(ElemType));
if(!s->base)
{
exit(0);
}
s->top = s->base;
s->stackSize = STACK_INIT_SIZE;
}
void Push(sqStack *s,ElemType e)
{
if(s->top - s->base >= s->stackSize)
{
s->base = (ElemType *)realloc(s->base,(s->stackSize+STACKINCREMENT)*sizeof(ElemType));
}
if(!s->base)
{
exit(0);
}
s->top = s->base + s->stackSize;
s->stackSize = s->stackSize + STACKINCREMENT;
*(s->top) = e;
s->top++;
}
void Pop(sqStack *s,ElemType *e)
{
if(s->top == s->base)
{
return;
}
*e = *--(s->top);
}
int StackLen(sqStack s)
{
return (s.top - s.base);
}
int main()
{
sqStack s;
char c,e;
InitStack(&s);
printf("请输入中缀表达式以#作为结束标志: ");
scanf("%c",&c);
while(c != '#')
{
while(c >= '0' && c <= '9')
{
printf("%c",c);
scanf("%c",&c);
if(c < '0' || c > '9')
{
printf(" ");
}
}
if(')'== c)
{
Pop(&s,&e);
while('(' != e)
{
printf("%c",e);
Pop(&s,&e);
}
}
else if('+' == c || '-' == c)
{
if(!StackLen(s))
{
Push(&s,c);
}
else
{
do
{
Pop(&s,&e);
if('(' == e)
{
Push(&s,e);
}
else
{
printf("%c",e);
}
}while(StackLen(s) && '('!=e);
Push(&s,c);
}
}
else if('*'==c || '/'==c || '('==c)
{
Push(&s,c);
}
else if('#' == c)
{
break;
}
else
{
printf("\n出错: \n");
return -1;
}
scanf("%c",&c);
}
while(StackLen(s))
{
Pop(&s,&e);
printf("%c",e);
}
return 0;
}
没发现什么错误，可能是你输入括号的时候用的是半角
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