Add solution for Challenge 1 by Khabbab172

[Khabbab172]

Challenge 1 Solution

Submitted by: @Khabbab172
Challenge: Challenge 1

Description

This PR contains my solution for Challenge 1.

Changes

• Added solution file to challenge-1/submissions/Khabbab172/solution-template.go

Testing

• Solution passes all test cases
• Code follows Go best practices

Thank you for reviewing my submission! 🚀

[coderabbitai]

Walkthrough

Adds a new Go program solution file that reads two comma-separated integers from standard input, calls a Sum function to compute their arithmetic sum, and prints the result. Includes error handling for input parsing.

Changes

Cohort / File(s)	Summary
Challenge 1 Solution challenge-1/submissions/Khabbab172/solution-template.go	New file with main function that reads two integers using Scanf, calls exported Sum function, and prints result. Sum function returns arithmetic sum a + b.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• Single straightforward file addition
• Simple input parsing and arithmetic logic
• Basic error handling for input validation

Possibly related PRs

• go-interview-practice#595: Adds identical Sum function and main logic reading "%d, %d" in challenge-1 solution
• go-interview-practice#837: Implements same exported Sum(a, b int) int with nearly identical main program structure
• go-interview-practice#779: Adds identical exported Sum function and similar Challenge 1 input/output handling

Pre-merge checks

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies that this PR adds a solution for Challenge 1 submitted by Khabbab172, which directly matches the main change in the changeset.
Description check	✅ Passed	The description is directly related to the changeset, explaining the submission of a Challenge 1 solution and detailing the changes made, including the solution file path.

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[coderabbitai]

Actionable comments posted: 1

🧹 Nitpick comments (1)

challenge-1/submissions/Khabbab172/solution-template.go (1)

7-19: LGTM! Consider explicit exit code on error (optional).

The main function correctly reads input, handles errors, and produces output. The implementation is clean and functional.

For slightly more explicit error signaling, consider using os.Exit(1) instead of just return:

 	if err != nil {
 		fmt.Println("Error reading input:", err)
-		return
+		os.Exit(1)
 	}

This would require adding "os" to the imports. However, this is purely optional since the current implementation is acceptable for a challenge submission.

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4e7cfc4 and e26a7cb.

📒 Files selected for processing (1)

• challenge-1/submissions/Khabbab172/solution-template.go (1 hunks)

[coderabbitai]

⚠️ Potential issue | 🟡 Minor

Remove stale TODO comment.

The function is fully implemented but the TODO comment suggests otherwise. This could confuse readers.

Apply this diff to remove the stale comment:

 // Sum returns the sum of a and b.
 func Sum(a int, b int) int {
-	// TODO: Implement the function
 	return a + b
 }

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change

	// Sum returns the sum of a and b.
	func Sum(a int, b int) int {
	// TODO: Implement the function
	return a + b
	}
	// Sum returns the sum of a and b.
	func Sum(a int, b int) int {
	return a + b
	}

🤖 Prompt for AI Agents

In challenge-1/submissions/Khabbab172/solution-template.go around lines 21 to
25, remove the stale "// TODO: Implement the function" comment inside Sum since
the function already returns a+b; simply delete that comment line so the code
and comments match the implementation.