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add backtracking for solve magic sequence #4571

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Mikhael-J
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@Mikhael-J Mikhael-J commented Jul 25, 2021

Describe your change:add a algorithm using backtracking for solve magic sequence

  • [x ] Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
  • If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

@ghost ghost added require descriptive names This PR needs descriptive function and/or variable names require tests Tests [doctest/unittest/pytest] are required require type hints https://docs.python.org/3/library/typing.html labels Jul 25, 2021
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import copy


def backtrack(n: int, sequence: list[any], res: list[int] = [], depth: int = 0):
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function backtrack

Please provide return type hint for the function: backtrack. If the function does not return a value, please provide the type hint as: def function() -> None:

Please provide descriptive name for the parameter: n

return res


def check_magic_sequence(sequence: list[int]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function check_magic_sequence

return False


def somme_elem_lower_to_len(sequence: list[any]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function somme_elem_lower_to_len


if __name__ == "__main__":
try:
nbElement = int(sys.argv[1])
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Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: nbElement

print(
"no first arg given so number of element is initialized to 4 because it's the first one to give a answer"
)
nbElement = 4
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Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: nbElement

@ghost ghost added the awaiting reviews This PR is ready to be reviewed label Jul 25, 2021
@ghost ghost removed the require type hints https://docs.python.org/3/library/typing.html label Jul 25, 2021
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import copy


def backtrack(
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function backtrack



def backtrack(
n: int, sequence: list[any], res: list[int] = [], depth: int = 0
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Please provide descriptive name for the parameter: n

return res


def check_magic_sequence(sequence: list[int]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function check_magic_sequence

return False


def somme_elem_lower_to_len(sequence: list[any]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function somme_elem_lower_to_len

@ghost ghost removed the require descriptive names This PR needs descriptive function and/or variable names label Jul 25, 2021
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Python:

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import copy


def backtrack(
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function backtrack

return res


def check_magic_sequence(sequence: list[int]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function check_magic_sequence

return False


def somme_elem_lower_to_len(sequence: list[any]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function somme_elem_lower_to_len

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Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

Python:

Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.

algorithms-keeper commands and options

algorithms-keeper actions can be triggered by commenting on this PR:

  • @algorithms-keeper review to trigger the checks for only added pull request files
  • @algorithms-keeper review-all to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.

NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.

import copy


def backtrack(
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function backtrack

return res


def check_magic_sequence(sequence: list[int]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function check_magic_sequence

return False


def somme_elem_lower_to_len(sequence: list[any]) -> bool:
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As there is no test file in this pull request nor any test function or class in the file backtracking/magic_sequence.py, please provide doctest for the function somme_elem_lower_to_len

@ghost ghost removed the require tests Tests [doctest/unittest/pytest] are required label Jul 25, 2021
@ghost ghost added the tests are failing Do not merge until tests pass label Jul 27, 2021
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stale bot commented Aug 28, 2021

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

@stale stale bot added the stale Used to mark an issue or pull request stale. label Aug 28, 2021
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stale bot commented Sep 7, 2021

Please reopen this pull request once you commit the changes requested or make improvements on the code. If this is not the case and you need some help, feel free to seek help from our Gitter or ping one of the reviewers. Thank you for your contributions!

@stale stale bot closed this Sep 7, 2021
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