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grokking_algorithms/03_recursion/python/06_find_max.py
Udit Gupta 308148653a Enhances 'base case' logic (#227)
Original function does not work when input array is empty or contains a single value. In the revised code, base case has been augmented to support those. Works successfully for all these test cases: find_max([1, 12, 8, 5]), find_max([]), find_max([1])
2022-11-18 15:47:57 -06:00

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264 B
Python

def find_max(arr):
if len(arr) == 0:
return 0
elif len(arr) == 1:
return arr[0]
elif len(arr) == 2:
return arr[0] if arr[0] > arr[1] else arr[1]
sub_max = find_max(arr[1:])
return arr[0] if arr[0] > sub_max else sub_max