数据结构课程设计:括号匹配问题(实现检验匹配并输出不匹配的位置)

本文介绍了一个使用栈数据结构实现的括号匹配检查程序。该程序能够处理多种类型的括号(如圆括号、方括号和花括号),并能准确判断输入字符串中的括号是否正确配对。

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#include <stdio.h>
#define   MAXSIZE 50

typedef struct
{
    char data[MAXSIZE];
    int top;
    int base;
}sqstack;

void InitStack(sqstack *);
int Empty(sqstack *);
void Push(sqstack *, char );
char Pop(sqstack *);
int MatchingCheck(void);

void InitStack(sqstack *s)
{
    s->top = 0;
    s->base = 0;
}


int Empty(sqstack *s)
{
    if(s->top == s->base)
       return 1;
    else
       return 0;
}


void Push(sqstack *s, char x)
{
    if(s->top == MAXSIZE)
         {
              printf("OVER FLOW!/n");
              exit(0);
         }
    else
         {
              s->data[s->top] = x;
              s->top++;
         }
}

char Pop(sqstack *s)
{
     char e;
     if(Empty(s))
        {
               printf("Under flow!/n");
               exit(0);
        }
     else
        {
             s->top--;
             e = s->data[s->top];
             return e;
        }
}

int MatchCheck()
{
   int i=0;
   sqstack s;
   char ch[100];
   InitStack(&s);
   printf("/nPlease input your Bracket with # to end: /n");
     ch[i] = getchar();
     while(ch[i] != '#')
     {
        if(ch[i] == '(' || ch[i] == '['|| ch[i]== '{')
            Push(&s,ch[i]);

        if(ch[i] == '}' || ch[i] == ']'|| ch[i] ==')')
        {
           if(Empty(&s))
                     {
                         return 0;
                     }
           else
        {if((ch[i]=='}' && s.data[s.top-1]=='{') || (ch[i]==']' && s.data[s.top-1]=='[')|| (ch[i]==')' && s.data[s.top-1]=='('))
                    Pop(&s);
               else printf("The place of not matched is %d ! /n",i+1);
        }
 }
 i++;
 ch[i]=getchar();
     }

     if(Empty(&s))
        return 1;
     else
        return 0;

}

int main(void)
{
   char c;
   while(1)    
   {
    printf("##################COPY.NET1-HEXIAOQIANG################## /n");
    printf("#******************   TEACHER.MAQIAOMEI              ******************#/n");
    printf("#*^^^**^^^***                                                                     ***^^^**^^^*#/n");
    printf("#**0****0****                                                                          ****0****0**#/n");
    printf("#************                 BRACKET MATCHED                           ************# /n");
    printf("#****~~******                                                                        ******~~****#/n");
    printf("#************                                                                          ************#/n");
    printf("#*************$$$$**   REG. NORTH UNIVERSITY     **$$$$*************#/n");
    printf("####################       OF CHINA       ####################/n");      
    if(MatchCheck())
       printf("Bracket-matched is successed! /n");
    else
       printf("Bracket-matched is not successed! /n");                              
    printf("/nPlease press 'q' to quite or 'c' to continue:");    
    do{
        c = getchar();          
        if(c == 'q' || c == 'Q') exit(0);
      }while((c!='c') && (c!='C'));
    system("cls");
   }    
   return 1;  
}

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