#include <iostream>
using namespace std;
int main()
{
int n; cout<<"n= "; cin>>n;
for(int i=1;i<=n;i++)
{cout<<endl;
for(int j=1;j<=i;j++)
cout<<" "<<j;}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int n; cout<<"n= "; cin>>n;
for(int i=1;i<=n;i++)
{cout<<endl;
for(int j=1;j<=i;j++)
cout<<" "<<j;}
return 0;
}