easyArrayDynamic Programming 0 views
Pascal's Triangle
Given an integer numRows, return the first numRows of Pascal's triangle.
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
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