//---------------------------------------------------------------------------
#include <iostream.h>
#include <conio.h>
//---------------------------------------------------------------------------
int main(int argc, char* argv[])
{
int inicial=0, final=0;
int avance=1;
cout << "Ingrese el inicio: ";
cin >> inicial;
cout << "Ingrese el final: ";
cin >> final;
cout << endl << inicial << endl;
for(int i=inicial;i<final;i++,avance++)
{
for(int j=inicial;j<=(inicial+avance);++j)
cout << j << " ";
cout << endl;
}
getch();
return 0;
}
//---------------------------------------------------------------------------