Package 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 Details

    • Solution

      public Solution()

  • Method Details