Skip to content

Naive string doctests + typehints #2054

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 9 commits into from
Jun 1, 2020
Merged

Naive string doctests + typehints #2054

Changes from 4 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
03f11bb
Added doctests
l3str4nge Jun 1, 2020
6f9f086
Added __main__
l3str4nge Jun 1, 2020
5994d73
Commit suggestion
l3str4nge Jun 1, 2020
0188e28
Undo changes to keep only doctests and typehints
l3str4nge Jun 1, 2020
63f0a97
Reundo function name with params
l3str4nge Jun 1, 2020
328991a
Update naive_string_search.py
cclauss Jun 1, 2020
ff4bb9c
Update naive_string_search.py
cclauss Jun 1, 2020
a9c3ac2
Update naive_string_search.py
cclauss Jun 1, 2020
cb70287
Update naive_string_search.py
cclauss Jun 1, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 18 additions & 7 deletions strings/naive_string_search.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
"""
https://en.wikipedia.org/wiki/String-searching_algorithm#Na%C3%AFve_string_search

this algorithm tries to find the pattern from every position of
the mainString if pattern is found from position i it add it to
the answer and does the same for position i+1
Expand All @@ -9,7 +11,20 @@
"""


def naivePatternSearch(mainString, pattern):
def naivePatternSearch(mainString: str, pattern: str) -> list:
"""
>>> naivePatternSearch("ABAAABCDBBABCDDEBCABC", "ABC")
[4, 10, 18]

>>> naivePatternSearch("", "ABC")
[]

>>> naivePatternSearch("TEST", "TEST")
[0]

>>> naivePatternSearch("ABCDEGFTEST", "TEST")
[7]
"""
patLen = len(pattern)
strLen = len(mainString)
position = []
Expand All @@ -24,9 +39,5 @@ def naivePatternSearch(mainString, pattern):
return position


mainString = "ABAAABCDBBABCDDEBCABC"
pattern = "ABC"
position = naivePatternSearch(mainString, pattern)
print("Pattern found in position ")
for x in position:
print(x)
if __name__ == "__main__":
assert naivePatternSearch("ABCDEFG", "DE") == [3]