C++ Program right angle triangle with a number that will repeat a number in a row

Write a program in C++ to make such a pattern like the right angle triangle with a number that will repeat a number in a row.

Flowchart of the right-angle triangle Program

C++ Program (Source Code) of the right-angle triangle Program

#include<iostream>
using namespace std;
int main()
{
	int num , i, j;
	cout<<"Please Enter No. of Rows : ";
	cin>>num;
	i=1;
	do
	{
		j=1;
		do
		{
			cout<<i;
			j++;	
		}
		while(j<=i);
		i++;
		cout<<"\n";	
	}
	while(i<=num);
}

Output

Please Enter No. of Rows: 4

1

22

33

44

Excercise

Find the possible mistakes in the following Shamil’s Flow Table of the program of the right-angle triangle.

Suppose user input num = 3