mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-18 01:00:15 +00:00
24 lines
678 B
Python
24 lines
678 B
Python
|
from sys import maxsize
|
||
|
|
|
||
|
|
|
||
|
|
def max_sub_array_sum(a: list, size: int = 0):
|
||
|
|
"""
|
||
|
|
>>> max_sub_array_sum([-13, -3, -25, -20, -3, -16, -23, -12, -5, -22, -15, -4, -7])
|
||
|
|
-3
|
||
|
|
"""
|
||
|
|
size = size or len(a)
|
||
|
|
max_so_far = -maxsize - 1
|
||
|
|
max_ending_here = 0
|
||
|
|
for i in range(0, size):
|
||
|
|
max_ending_here = max_ending_here + a[i]
|
||
|
|
if max_so_far < max_ending_here:
|
||
|
|
max_so_far = max_ending_here
|
||
|
|
if max_ending_here < 0:
|
||
|
|
max_ending_here = 0
|
||
|
|
return max_so_far
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
a = [-13, -3, -25, -20, 1, -16, -23, -12, -5, -22, -15, -4, -7]
|
||
|
|
print(("Maximum contiguous sum is", max_sub_array_sum(a, len(a))))
|