Back to Pointers and Functions
Next Lesson: Pointers with Strings and Structures

The Swap That Works

Medium

Write void swap(int *a, int *b) and use it to swap two guarded inputs, printing them after the call. The chapter 9 failure, repaired by three dereferences and two ampersands.

Success Criteria

Your code must pass 3 test case(s) to complete this exercise. 3 hint(s) are available if you need help.

Sign in to track your progress

You can work on exercises as a guest, but sign in to track your progress and save your submissions.

Sign In Create Account

This platform is built by its community

Every lesson, project, and tool on HelloC++ is funded by sponsors. Join them and help shape what we build next.

Become a Patron

How did you find this exercise?

Your rating helps us improve the content.