Entering the value between 1 to 65 and print Characters

How to print the characters by entering the value between 1 to 65 in C++ programming Language?

#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
int r,c,E;
int Num=65;
cout<<"Enter The Ending Value .  ";cin>>E;
cout<<endl<<endl;
for(r=1;r<=E;r++)
{
for(int i=0; i<=E-r; i++)
{
cout<<char(Num);
Num++;
}
for(c=1; c<=r; c++)
{
cout<<"*";
}
cout<<endl;
}
getch();
}

Output Result

By Entering the value of 45.

By Entering the value of 10.