import java.io.*;
// Java code to demonstrate star pattern
public class GeeksForGeeks
{
// Function to demonstrate printing pattern
public static void printNums(int n)
{
// initialising starting number
int i, j, num=1;
// outer loop to handle number of rows
// n in this case
for(i=0; i<n; i++)
{
// without re assigning num
// num = 1;
for(j=0; j<=i; j++)
{
// printing num with a space
System.out.print(num+ " ");
// incrementing num at each column
num = num + 1;
}
// ending line after each row
System.out.println();
}
}
// Driver Function
public static void main(String args[])
{
int n = 5;
printNums(n);
}
}