# Pascal’s Triangle 🚽

Apr 7, 2022

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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`

**Solution**

Time Complexity

O(n²)Space Complexity

O(n²)

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