Ejemplo 1: pila c ++
stack<int> stk;
stk.push(5);
int ans = stk.top(5); // ans =5
stk.pop();//removes 5
Ejemplo 2: insertar código emergente en c ++
#include<iostream>
using namespace std;
#define Max 100
class stack{
public:
int top;
int size;
int *s;
int stack[Max];
void push()
{
int value;
if(top==size-1)
{
cout<<"overflow";
}
else
{
cout<<"Enter value to push n";
cin>>value;
top++;
stack[top]=value;
}
}
int pop()
{
if(top==-1)
{
cout<<"Underflow";
}
else
{
cout<<"Deleted value is n"<<stack[top];
top--;
}
}
void display()
{
int i;
for(i=top;i>=0;i--)
{
cout<<stack[i]<<endl;
}
}
};
int main()
{
stack st;
cout<<"Enter the size of the stack";
cin>>st.size;
st.s=new int[st.size];
st.top=-1;
int ch;
while(st.size!=0)
{
cout<<endl<<" ##### STACK MENU ##### "<<endl;
cout<<"1. PUSH OPERATION n2. POP OPERATION n3. DISPLAY n4.Exit n";
cin>>ch;
switch(ch)
{
case 1:
st.push();
break;
case 2:
st.pop();
break;
case 3:
st.display();
break;
case 4:
exit(0);
default:cout<<"n Choose correct option";
}
}
return 0;
}
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