我需要为菜单驱动程序制作一个 C++ 程序,以使用数组入队、出队、计算元素数量并在 C++ 中显示来执行以下队列操作?这个怎么做?我的 c++ 很弱,谁能指导我或帮助我或将我链接到一个完整的程序来学习和理解它?!!!我试过了,但我做不到,所以我真的需要帮助
这对不对?
#include<iostream.h>
#include<conio.h>
void push(int st[],int data,int &top); //declaring a push class
void disp(int st[],int &top); //declaring display class
int pop(int st[],int &top); //declaring a pop class
int flg=0;
int top=-1,tos=-1;
int st[50];
void push(int st[],int data,int &top) //push
{
if(top==50-1)
flg=0;
else
{
flg=1;
top++;
st[top]=data;
}
}
int pop(int st[],int &top) //pop
{
int pe;
if(top==-1)
{
pe=0;
flg=0;
}
else
{
flg=1;
pe=st[top];
top--;
}
return(pe);
}
void disp(int st[],int &top) //display
{
int i;
if(top==-1)
{
cout<<"\nStack is Empty";
}
else
{
for(i=top;i>=0;i--)
cout<<"\t"<<st[i];
}
}
void main()
{
int dt,opt; // declare varible
int q=0;
clrscr();
cout<<"\t\t\tStack operations";
cout<<"\n\n\tMain Menu.........";
cout<<"\n\n1.Push";
cout<<"\n\n2.Pop";
cout<<"\n\n3.Exit";
cout<<"\n\n4.display";
do // useing do while for to make choice and select any options
{
cout<<"\n\n\tEnter Your Choice 1-4:"; //entering your choice
cin>>opt;
switch(opt)
{
case 1:
cout<<"\nEnter the Element to be Push:";
cin>>dt;
push(st,dt,tos);
if(flg==1)
{
cout<<"the push is done";
if(tos==50-1)
cout<<"\nStack is Now Full";
}
else
cout<<"\nStack Overflow Insertion Not Possible";
break;
case 2:
dt=pop(st,tos);
if(flg==1)
{
cout<<"\n\tData Deleted From the Stack is:"<<dt;
cout<<"\n \t pop is done";
}
else
cout<<"\nStack Empty,Deletio Not Possible:";
break;
case 3:
q=1;
break;
default:
cout<<"\nWrong Choice Enter 1-3 Only";
case 4:
disp(st,tos);
break;
}
} while(q!=1);
}