167. Pow(x, n)

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Example 1:

Input: x = 2.00000, n = 10

Output: 1024.00000

Explanation: 2 raised to the power of 10 gives 1024.

Example 2:

Input: x = 2.10000, n = 3

Output: 9.26100

Explanation: 2.1 multiplied by 2.1 multiplied by 2.1 equals 9.261.

Example 3:

Input: x = 2.00000, n = -2

Output: 0.25000

Explanation: 2 raised to power -2 is equivalent to 1 / (2^2) = 1 / 4 = 0.25.

Constraints:

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Time Complexity

O(log n)

Space Complexity

O(log n)

167. Pow(x, n)

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Example 1:

Example 2:

Example 3:

Constraints:

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167. Pow(x, n)

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Constraints:

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Hint

Use Cases