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22 lines
567 B
Python
22 lines
567 B
Python
class py_solution:
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def pow(self, x, n):
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if x==0 or x==1 or n==1:
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return x
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if x==-1:
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if n%2 ==0:
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return 1
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else:
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return -1
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if n==0:
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return 1
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if n<0:
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return 1/self.pow(x,-n)
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val = self.pow(x,n//2)
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if n%2 ==0:
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return val*val
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return val*val*x
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print(py_solution().pow(2, -3));
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print(py_solution().pow(3, 5));
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print(py_solution().pow(100, 0)); |