C++ Show Growing Letter Count ABCDEF

#include "stdafx.h"
#include <iostream>

using namespace std;

int main()
{
int beginLetter = 65;

int letterCount = 6;

for (int i = 1; i <= letterCount; i++)
{
for (int j = 1; j <= i; j++)
{
cout << char(beginLetter);
beginLetter++;
}
cout << endl;
beginLetter = 65;
}
cin.get();
return 0;
}

Output

Notes

#include "stdafx.h"
#include <iostream>

using namespace std;

int main()
{
int beginLetter = 65;
int n;
cout << "Enter height: " << endl;
cin >> n;

for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= i; j++)
{
cout << char(beginLetter);
beginLetter++;
}
cout << endl;
beginLetter = 65;
}
cin.get();
cin.get();
return 0;
}