package com.sanket.Array;

import java.util.ArrayList;
import java.util.List;

/*
    Problem Link - https://leetcode.com/problems/pascals-triangle/
    Status - Accepted
 */
public class PascalTriangle {

    public static void main(String[] args) {
        int num = 3;
        generate(num);
    }

    public static List generate(int numRows) {
        List lists = new ArrayList();
        if (numRows < 1) { return lists; }
        List first = new ArrayList();
        first.add(1);
        lists.add(first);
        int i = 1;
        while (i < numRows) {
            List integers = new ArrayList();
            for (int j = 0; j