feat: leetcode zigzag solution

[straight-into-the-wall]

Description of Change

A solution for the ZigZag conversion problem.

References

Hacktoberfest issue

ZigZag Conversion problem on leetcode

Checklist

• Added description of change
• Added file name matches File name guidelines
• Added tests and example, test must pass
• Relevant documentation/comments is changed or added
• PR title follows semantic commit guidelines
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I acknowledge that all my contributions will be made under the project's license.

Notes: Solution to the 6-ZigZag conversion problem was missing. Here is (decent) one.

ZigZagConversion-SubmissionDetail-LeetCode.pdf

[straight-into-the-wall]

Hey @Panquesito7 @kvedala,

On my fork's Github Actions I got this error from Awesome CI Workflow Code formatter; even if I separated the two files into two different commits.

2 files are not in one and only one directory:
leetcode/src/1.c
leetcode/src/6.c

Error: Process completed with exit code 2.

Any idea how I could fix it?

Thanx

[Panquesito7]

Good work! 😄👍

[Panquesito7]

Please fix clang-tidy warnings. Let us know if you need any help here or in our Discord server. 😃

[Panquesito7]

Still failing here.

[straight-into-the-wall]

I've done clang-tidy --fix --quiet -p build leetcode/src/6.c -- on my side without any warning. The Awesome CI error message is quite cryptic 1 files are not in one and only one directory. I've checked and didn't find any other file named 6.c in the whole repo. ... waiting for help on #898 and Discord server.

[straight-into-the-wall]

solved by PR #900 ?

[Panquesito7]

Still failing. 👀

[straight-into-the-wall]

Somehow this PR was again tested with the buggy version of awesome_workflow.yml:

You can see in the details of the failing check.

and then in failing workflow file:

Master branch now seems to have the right .github/workflows/awesome_workflow.yml

... Maybe relaunch the tests ?

[Panquesito7]

I've seen the tests are failing in other PRs with the same issue you had in this PR. Would you like to investigate? Thanks. 🙂

[straight-into-the-wall]

I've seen the tests are failing in other PRs with the same issue you had in this PR. Would you like to investigate? Thanks. slightly_smiling_face

I checked some of the waiting PR but any of them has the same issue that this one. Could you link some references?

[Panquesito7]

I've seen the tests are failing in other PRs with the same issue you had in this PR. Would you like to investigate? Thanks. 🙂

I checked some of the waiting PR but any of them has the same issue that this one. Could you link some references?

#914

[Panquesito7]

A question: there's no main function? 🤔

[straight-into-the-wall]

A question: there's no main function?

@Panquesito7

added main function.

[Panquesito7]

Almost there! 😄

[Panquesito7]

LGTM 🚀 Thanks for your contribution! 😄👍

[straight-into-the-wall]

@ayaankhan98 @mishraabhinn @Panquesito7 ... ping? 😉