?? 6_56.cpp
字號:
#include<iostream.h>
struct sqstack
{
char data;
sqstack* top;
};
class stack
{
sqstack * st;
public:
void init()
{
st=NULL;
}
void push(char );
char pop();
};
void stack::push(char k)
{
sqstack * newst=new sqstack;
newst->data=k;
newst->top=st;
st=newst;
}
char stack::pop()
{
char value;
sqstack* t;
value=st->data;
t=st;
st=st->top;
delete t;
return value;
}
void main()
{
stack A;
A.init();
int n;
cout<<"請輸入字符個數n:";
cin>>n;
char *arr=new char[n];
cout<<"請輸入n個字符:"<<endl;
for(int i=0;i<n;i++)
cin>>arr[i];
cout<<endl;
cout<<"入棧順序:";
for ( i=0;i<n;i++)
{
cout<<arr[i]<<" ";
A.push(arr[i]);
}
cout<<endl<<"Out! ";
for( i=0;i<n;i++)
cout<<A.pop()<<" ";
cout<<endl;
delete arr;
}
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