Your contribution cannot be approved because it does not follow the Utopian Rules.
Tutorials for basic programming concepts are not approved. And also the repository you provided is not correct. Since there is no proper repository for general C/C++ contributions, there is no chance of approval.
Design or video editing related tutorials, gameplay, simple on-screen instructions, ubiquitous functions (Save, Open, Print, etc.) or basic programming concepts (variables, operators, loops, etc.) will not be accepted.
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[utopian-moderator]