In the brutal, 28-day swimming marathon that is the Piscine, Exam 01 is the first real filter. It is not like university finals. It is not a multiple-choice quiz. It is a raw, four-hour, auto-graded race against a shell prompt.
This article will dissect everything you need to know about : the structure, the common pitfalls, the exact topics covered, and the psychological strategies used by successful cadets. What is Exam 01? (The High-Stakes Reality) Exam 01 is the first of three mandatory written exams during the 42 Piscine (usually held at the end of the second week). Unlike the daily "d04" or "d05" assignments where you can Google, ask peers, or use Stack Overflow, the exam is a closed-book, isolated environment. Exam 01 Piscine 42
If you are reading this, you have likely just been accepted into the legendary Piscine at a 42 school (Paris, Kuala Lumpur, Berlin, Lausanne, or any of the 50+ campuses worldwide). You have survived the initial logic tests. You have downloaded the terminal. You have seen the "Norminette" for the first time. Now, the calendar is ticking toward a specific, dreaded date: Exam 01 . In the brutal, 28-day swimming marathon that is