配对数据结构实验4_99XXX

《数据结构》实验报告

实验序号 4 实验项目名称栈的操作

附源程序清单

1.

#include<iostream>

#define MaxSize 100using namespace std;typedef char ElemType;type de f s truct

{

ElemType data[MaxSize] ;int top;

}S qStack;void InitStack(SqStack*st)//初始化栈

{st->top=-1;

}int StackEmpty(SqStack*st) //判断栈为空{if(st->top==-1)return 0;//为空elsereturn-1;//不为空

}void Push(SqStack*st,ElemType x) //元素进栈{if(st->top==MaxSize-1)

{printf("栈上溢出!\n");

}else

{st->top++; //移动栈顶位置st->data[st->top]=x; //元素进栈

}

}void Pop(SqStack*st,ElemType&e) //出栈{if(st->top==-1)

{printf("栈下溢出\n");

}else

{e=st->data[st->top] ; //元素出栈st->top--; //移动栈顶位置}

}int main()

{

SqStack L;

SqStack*st=&L;

ElemType c;int i;

InitStack(st);printf("输入回车结束入栈");while((c=getchar())!='\n')

{if(c=='(')

Pu s h(st,c);if((i=StackEmpty(s t))==-1)

{if(c==')')

Pop(st,c);

}if(c==')'&&(i=StackEmpty(st))==0){printf("右括号多出,配对失败");goto loop;

}

}if(StackEmpty(st)==-1)printf("左括号多出,配对失败");elseprintf("配对成功");loop:return 0;

}

2.

#include<iostream>

#define MaxSize 100using namespace std;typedef int ElemType;type de f s truct

{

ElemType data[MaxSize] ;int top;

}S qStack;void InitStack(SqStack*st)

{st->top=-1;

}int StackEmpty(SqStack*st)

{return(st->top=-1);

}void Push(SqStack*st,ElemType *x,int k){int i;for(i=1;i<k;i++)

{if(st->top==MaxSize-1)

{printf("栈上溢出");

}else

{st->top++;st->data[st->top]=x[i-1];printf("%d\n",st->data[st->top]);}

}

}void Pop(SqStack*st,ElemType&e,int k){int i;for(i=1;i<k;i++)

{if(st->top==-1)

{printf("栈下溢出");

}else

{e=st->data[st->top] ;printf("%d\n",e);st->top--;

}

}

}int main()

{

SqStack L;

SqStack*st=&L;

ElemType e;

ElemType num[9]={1,2,3,4,5,6,7,8,9};InitStack(st);printf("入栈元素是:\n");

Pu s h(st,nu m,10);printf("出栈元素是:\n");

Pop(st,e,10);return 0;

}

3.

#include<iostream>

#include<stack>using namespace std;int main()

{char a,i;stack<char>s;while((a=getchar())!='\n')

{

switch(a)

{case'(':s.pu s h(a);//入栈continue;case'[':s.pu s h(a);continue;case')':if(!s.empty())

{if(s.top()=='(')

{s.pop(); //出栈continue;

}else

{printf("配对失败1");goto loop;

}

}case']':if(!s.empty())

{if(s.top()=='[')

{s.pop(); //出栈continue;

}else

{printf("配对失败2");goto loop;

}s.pop(); //出栈}

}

}if(s.e mpty())

{printf("配对成功");

}else

{printf("配对失败3");}loop:return 0;

}