Exam 01 Piscine 42 Jun 2026

Moulinette provides the function prototype, but it does not provide a main function. You must write your own main to test your code locally before submitting.

: Printing the alphabet in alternating uppercase and lowercase characters.

You might see only_a , maff_alpha , hello , or ft_countdown .

If you are currently preparing for your upcoming exam, let me know: Exam 01 Piscine 42

If you are new to programming, the 42 Piscine can be overwhelming. Accept that you might not get everything right on your first try.

void ft_swap(int *a, int *b); Goal: Swap the values of two integers using pointers. Common pitfall: Students pass integers directly instead of addresses, or they fail to use a temporary variable.

You receive one exercise at a time. You must solve it, push it to the rendu directory, and run grademe to have it checked by the "Moulinette" (the automated grading system). Moulinette provides the function prototype, but it does

Exam 01 is a challenging but surmountable milestone in the 42 Piscine. It systematically tests your foundational C knowledge, particularly argc & argv , and the essential skill of dynamic memory allocation with malloc & free . It separates those who have merely looked at code from those who truly understand the language.

: A common piece of advice is to prioritize validating the C06 project before C05. This is because Exam 01 heavily tests your understanding of argc and argv .

Based on hundreds of Piscine alumni reports, here is the optimal timeline for the 4 hours. You might see only_a , maff_alpha , hello , or ft_countdown

Success in Exam 01 is less about memorizing code and more about understanding logic and being able to write clean code quickly. 1. Practice with "Moulinette" and Exam Shells

: A function to swap the values of two integers using pointers. : Writing a function that outputs a string to the console.

Four hours is a long time for the level of problems assigned in Exam 01. If you get a "Failure," take a five-minute walk, drink some water, and clear your head. The "wait time" between attempts is a feature, not a bug—it’s designed to stop you from "brute-forcing" the grader. 4. Test Your Own Edge Cases