g0101_0200.s0118_pascals_triangle

Class Solution

java.lang.Object

g0101_0200.s0118_pascals_triangle.Solution

public class Solution
extends Object

118 - Pascal’s Triangle.

Easy

Given an integer numRows, return the first numRows of Pascal’s triangle.

In Pascal’s triangle , each number is the sum of the two numbers directly above it as shown:

Example 1:

Input: numRows = 5

Output: 1],[1,1],[1,2,1],[1,3,3,1],[1,4,6,4,1

Example 2:

Input: numRows = 1

Output: 1

Constraints:

• 1 <= numRows <= 30

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<List<Integer>>	generate(int numRows)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

generate

public List<List<Integer>> generate(int numRows)