nazi73
یک شنبه 12 آبان 1392, 18:12 عصر
میشه روی یه قسمتی از این کدی که من نوشتم توضیح بدید؟
ببینید این کد منه:
#include <iostream>
using namespace std;
#define Max 50
class stack
{
private:
int a[Max],b[Max],c[Max];
int sp1,sp2,sp3;
public:
stack();
int IsEmpty1();
int IsEmpty2();
int IsEmpty3();
int IsFull1();
int IsFull2();
int IsFull3();
void Push1();
void Push2();
void Push3();
int Pop1();
int Pop2();
int Pop3();
void Top();
void Show();
int menu();
};
//***************************************
stack::stack()
{
sp1=-1;
sp2=-1;
sp3=-1;
};
//***************************************
int stack::IsEmpty1(){
return sp1==-1;
}
//***************************************
int stack::IsEmpty2(){
return sp2==-1;
}
//***************************************
int stack::IsEmpty3(){
return sp3==-1;
}
//***************************************
int stack::IsFull1()
{
return sp1==Max-1;
}
//***************************************
void stack::Push1()
{
if(IsFull1())
cout<<"stack is full"<<"\n""\n";
else
{
int x;
cout<<"Enter your number"<<endl;
cin>>x;
sp1++;
a[sp1]=x;
}
}
//***************************************
int stack::Pop1()
{
if(IsEmpty1())
cout<<"stack is empty"<<"\n""\n";
else
{
int x=a[sp1];
sp1--;
return x;
}
}
//***************************************
int stack::IsFull3()
{
return sp3==Max-1;
}
//***************************************
int stack::IsFull2()
{
return sp2==Max-1;
}
//
void stack::Push2()
{
if(IsFull2())
cout<<"stack is full"<<"\n""\n";
else
{
int x;
cout<<"Enter your number"<<endl;
cin>>x;
sp2++;
b[sp2]=x;
}
}
//***************************************
int stack::Pop2()
{
if(IsEmpty2())
cout<<"stack is empty"<<"\n""\n";
else
{
int x=b[sp2];
sp2--;
return x;
}
}
//***************************************
void stack::Push3()
{
if(IsFull3())
cout<<"stack is full"<<"\n""\n";
else
{
int x;
cout<<"Enter your number"<<endl;
cin>>x;
sp3++;
c[sp3]=x;
}
}
//***************************************
int stack::Pop3()
{
if(IsEmpty3())
cout<<"stack is empty"<<"\n""\n";
else
{
int x=c[sp3];
sp3--;
return x;
}
}
//***************************************
void stack::Top()
{
cout<<"the top of first stack"<<a[sp1]<<endl;
cout<<"the top of second stack"<<b[sp2]<<endl;
cout<<"the top of third stack"<<c[sp3]<<endl;
}
//***************************************
void stack::Show()
{
cout<<"The members of the first stack are:"<<endl;
for(int i=0;i<=sp1;i++)
cout<<a[i]<<endl;
cout<<"The members of the second stack are:"<<endl;
for(int j=0;j<=sp2;j++)
cout<<b[j]<<endl;
cout<<"The members of the third stack are:"<<endl;
for(int k=0;k<=sp3;k++)
cout<<c[k]<<endl;
}
//***************************************
int stack::menu(){
int x;
cout<<"1.Add Item"<<endl;
cout<<"2.Delete Item"<<endl;
cout<<"3.Display Top"<<endl;
cout<<"4.Show stack"<<endl;
cout<<"5.Exit"<<endl;
cout<<"What do you want us to do?"<<endl;
cin>>x;
return x;
}
////***************************************
int main()
{
stack st;
while(1)
{
switch(st.menu())
{
case 1:
cout<<"first stack:"<<endl;
st.Push1();
cout<<"second stack:"<<endl;
st.Push2();
cout<<"third stack:"<<endl;
st.Push3();
break;
case 2:
cout<<"first stack:"<<endl;
st.Pop1();
cout<<"second stack:"<<endl;
st.Pop2();
cout<<"third stack:"<<endl;
st.Pop3();
break;
case 3:
st.Top();
break;
case 4:
st.Show();
break;
case 5:
return 0;
default:
cout<<"incorrect"<<endl;
}
}
return 0;
}