括号的匹配，求大神指导哪里错了，总是会显示缺少右括号
# include <string.h># include <ctype.h>
# include <malloc.h>
# include <limits.h>
# include <stdio.h>
# include <stdlib.h>
# include <io.h>
# include <math.h>
# include <process.h>
# include <iostream.h>
# define TRUE 1
# define FALSE 0
# define OK 1
# define ERROR 0
# define INFEASIBLE -1
typedef int Status;
typedef int Boolean;
#define STACK_INIT_SIZE 10
#define STACKINCREMENT 2
struct SqStack
{
SElemType *base;
SElemType *top;
int stacksize;
};
Status InitStack(SqStack &S)
{
if(!(S.base=(SElemType *)malloc(STACK_INIT_SIZE*sizeof(SElemType))))
exit(OVERFLOW);
S.top=S.base;
S.stacksize=STACK_INIT_SIZE;
return OK;
}
Status StackEmpty(SqStack S)
{
if(S.top==S.base)
return OK;
else
return ERROR;
}
Status push(SqStack &S,SElemType e)
{
if(S.top-S.base>=S.stacksize)
{
S.base=(SElemType *)realloc(S.base,(S.stacksize+STACKINCREMENT)*sizeof(SElemType));
if(!S.base)
exit(OVERFLOW);
S.top=S.base+S.stacksize;
S.stacksize+=STACKINCREMENT;
}
*(S.top)++=e;
return OK;
}
Status pop(SqStack &S,SElemType &e)
{
if(S.top==S.base)
return ERROR;
e=*--S.top;
return OK;
}
typedef char SElemType;
#include "c1.h"
#include "c3.h"
void check()
{
SqStack s;
SElemType ch[80],*p,e;
if(InitStack(s))
{
printf("请输入表达式\n");
gets(ch);
p=ch;
while(*p)
{
switch(*p)
{
case '(':
case '[':push(s,*p++);break;
case ')':
case ']':if(s.base!=s.top )
{
pop(s,e);
if(e=='['&&*p!=']'||e=='('&&*p!=')')
{
printf("左右括号不配对\n");
exit(ERROR);
}
else
{ p++;
break;
}
}
else
{
printf("缺乏左括号\n");
exit(ERROR);
}
break;
default:
p++;
break;
}
if(s.base==s.top)
printf("括号配对\n");
else
printf("缺乏右括号\n");
}
}
}
void main()
{check();}
沙发可以不
