C Piscine Exam 01 May 2026

If you are currently in the thick of 42 School’s C Piscine (or any of its affiliated campuses like 42 Wolfsburg, 42 Paris, 42 Silicon Valley, or Ecole 42), you already know the drill: sleep is a luxury, coffee is a food group, and the shell prompt is your mortal enemy.

You have to track sign, manage overflow (informally), and validate the base string (no duplicates, no +/- ). Exercise: ft_split This is the "boss fight" of Exam 01. Given a string s and a separator character c , return an array of strings (each word from s split by c ), terminated by NULL . c piscine exam 01

So, close this article. Open your terminal. Type vim exam_01_prep.c . And start writing ft_atoi_base from scratch—without looking at the internet. If you are currently in the thick of

char **result; int words;

words = count_words(str, c); result = malloc(sizeof(char *) * (words + 1)); if (!result) return (NULL); // ... fill the array ... result[words] = NULL; return (result); Given a string s and a separator character

Keywords used: c piscine exam 01, 42 school exam, ft_split, ft_atoi_base, norminette, moulinette, dynamic memory allocation, recursion in C, strings and pointers.