#1487Easy#39 in X (Twitter)'s list· asked at 8 companies
Pascal's Triangle
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What we know
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 - •
The answer contains exactly
numRowsrows.