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Pow(x, n)

medium

Implement pow(x, n), which calculates x raised to the power n (i.e., xⁿ).

Examples

Example 1

Input:  x = 2.00000, n = 10
Output: 1024.00000

Example 2

Input:  x = 2.10000, n = 3
Output: 9.26100

Example 3

Input:  x = 2.00000, n = -2
Output: 0.25000

Constraints

  • -100.0 < x < 100.0
  • -2³¹ <= n <= 2³¹ - 1
  • n is an integer
  • Either x is not zero or n > 0
TypeScript
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List of test cases (10)
Case 1
x = 2
n = 10
Case 2
x = 2.1
n = 3
Case 3
x = 2
n = -2
Case 4
x = 1
n = 100
Case 5
x = 0.5
n = 3
Case 6
x = 3
n = 0
Case 7
x = -2
n = 3
Case 8
x = -2
n = 4
Case 9
x = 0.5
n = -2
Case 10
x = 2
n = 20