Pascal’s Triangle Category Difficulty Likes Dislikes algorithms Easy (63.35%) 5083 196 Tags Companies 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