number triangle c 2b 2b

11
22 3
34 5 6
47 8 9 10
511 12 13 14 15

1#include<bits/stdc++.h>
2using namespace std;
3int main()
4{
5	int n;
6	cin>>n;	
7	for(int i=1;i<=n;i++){
8		for(int j=1;j<=n;j++){
9			if(j<=n-i)
10			{
11				cout<<" ";
12			}else{
13				cout<<"*";
14			}
15			
16		}cout<<endl;
17	}
18}