number triangle in c++ code example

Example: number triangle in c++

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