c++ program that display following triangle pattern.

for n=3;

pattern:      

        3  1  2
        2  3  1
        1  2  3


 
#include <iostream>
using namespace std;

int main()
{
int i,j,k,x,y,z;
//input from user
cout<<"Enter a number ";
cin>>k;




for(i=k;i>0;i--)
{
x=i;
for(j=1;j<=k;j++)
{
cout<<x;
x=x-1;
if (x<1)
x=k;
}
cout<<"\n";
}
return 0;
}