50. Pow(x, n)
problem description
Input: 2.00000, 10
Output: 1024.00000Input: 2.10000, 3
Output: 9.26100Input: 2.00000, -2
Output: 0.25000
Explanation: 2-2 = 1/22 = 1/4 = 0.25algorithm thought
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algorithm analysis
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