blob: ce273aaebf6c67f80e0c14ae43de9ed5e32ef171 (
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def max_subarray_product(arr):
n = len(arr)
max_ending_here = 1
min_ending_here = 1
max_so_far = 0
flag = 0
for i in range(0, n):
if arr[i] > 0:
max_ending_here = max_ending_here * arr[i]
min_ending_here = min (min_ending_here * arr[i], 1)
flag = 1
elif arr[i] == 0:
max_ending_here = 1
min_ending_here = 1
else:
temp = max_ending_here
max_ending_here = max (min_ending_here * arr[i], 1)
min_ending_here = temp * arr[i]
if (max_so_far < max_ending_here):
max_so_far = max_ending_here
if flag == 0 and max_so_far == 0:
return 0
return max_so_far
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