#include"iostream.h"
#include"conio.h"
void main()
{
int n,i,j;
clrscr();
cout<<"\n\t\tENTER RANGE:";
cin>>n;
cout<<"\nFORMAT - 1\n";
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
cout<<"\t"<<j;
}
cout<<"\n";
}
cout<<"\nFORMAT - 2\n";
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
cout<<"\t"<<i;
}
cout<<"\n";
}
cout<<"\nFORMAT - 3\n";
for(i=0;i<=n-1;i++)
{
for(j=0;j<=i;j++)
{
cout<<"\t"<<(n-j);
}
cout<<"\n";
}
getch();
}
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