JU
just_do_it
42 Paris· Paris
Chapter 01 · Get started
First program
124/3592 XP0/7 checkpoints validated
8/147 required exercises
View pathTECHNICAL SKILLS
CHALLENGE ACHIEVEMENTS
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Foundations 1
Best13%
02
Strings & Bits
03
Lists, Math & Bases
04
Algorithms & Parsers
05
Strings from Scratch
06
Memory & Pointers
07
Rebuild the C Standard Library
08
Mastery
09
Algorithms & Parsing
10
Systems & Processes
11
Network Systems
12
Grids & Simulation
13
Pointers & Memory
14
C Language Core
15
Data Structures
16
Sort & Search
EXERCISE MASTERY
9/210Every exercise you've started, completed, refined and mastered.
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STREAK
0daysExercises, challenges and checkpoints you cleared, day by day over the last 22 weeks.
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ACTIVITY
Recent exercise and challenge runs.
putchar
Retry · 9 attempts
Sep 8
bare_char
Passed · 1 attempt
Sep 8
print_digits
Passed · 4 attempts
Sep 8
countdown
Passed · 1 attempt
Sep 8
hello
Passed · 2 attempts
Sep 8
sort_list
Passed · 6 attempts
Aug 27
split
Retry · 9 attempts
Aug 27
fizzbuzz
Passed · 13 attempts
Aug 26
Foundations 1
Incomplete · 1/8 levels · 104 min
Aug 26
swap_bits
Passed · 1 attempt
Aug 26
Member since 2 monthsActive Sep 8