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Paper - Courtney Massey #28

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7 changes: 7 additions & 0 deletions .vscode/settings.json
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
"python.testing.pytestArgs": [
"tests"
],
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true
}
18 changes: 15 additions & 3 deletions lib/max_subarray.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,23 @@
def max_sub_array(nums):
""" Returns the max subarray of the given list of numbers.
Returns 0 if nums is None or an empty list.
Time Complexity: ?
Space Complexity: ?
Time Complexity: O(n)
Space Complexity: O(1)
Comment on lines 2 to +6

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👍 Nice work

"""
if nums == None:
return 0
if len(nums) == 0:
return 0
pass

max_so_far = 0
max_ending_here = 0

for num in nums:
max_ending_here = max_ending_here + num
if max_so_far < max_ending_here:
max_so_far = max_ending_here

if max_so_far <= 0:
return max(nums)

return max_so_far
24 changes: 18 additions & 6 deletions lib/newman_conway.py
Original file line number Diff line number Diff line change
@@ -1,10 +1,22 @@


# Time complexity: ?
# Space Complexity: ?
# Time complexity: O(n)
# Space Complexity: O(n)
def newman_conway(num):
Comment on lines +3 to 5

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👍

""" Returns a list of the Newman Conway numbers for the given value.
Time Complexity: ?
Space Complexity: ?
""" Returns a string of the Newman Conway numbers for the given value.
Time Complexity: O(n)
Space Complexity: O(n)
"""
pass
if num == 0:
raise ValueError

if num == 1:
return "1"

seq = [0, 1, 1]

for i in range(3, num + 1):
next_num = seq[seq[i-1]] + seq[i - seq[i-1]]
seq.append(next_num)

return ' '.join([str(n) for n in seq[1:num+1]])