Write A C++ Program To Print Half Pyramid Using Number

#include<iostream>
using namespace std;

int main()
{
int i,j,n,k=1;
cout<<"Enter the No Of Row\n";
cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<i;j++)
{
cout<<k<<" ";
k++;
}
cout<<"\n";
}
return 0;
}

Output:

Enter the No Of Row

10

1 

2 3 

4 5 6 

7 8 9 10 

11 12 13 14 15 

16 17 18 19 20 21 

22 23 24 25 26 27 28 

29 30 31 32 33 34 35 36 

37 38 39 40 41 42 43 44 45