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42 Le Havre· Le Havre
Chapter 01 · Get started
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18/147 required exercises
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CHALLENGE ACHIEVEMENTS
1/16 passed01Completed
Foundations 1
Best100%
02Retry
Strings & Bits
Best13%
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
22/210Every 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.
Strings & Bits
Incomplete · 1/8 levels · 180 min
Sep 17
Foundations 1
Passed · 8/8 levels · 56 min
Sep 11
alpha_descent
Passed · 3 attempts
Sep 10
find_n
Passed · 11 attempts
Sep 10
fix-the-format
Passed · 3 attempts
Sep 10
fix-the-unused
Passed · 5 attempts
Sep 8
box
Passed · 5 attempts
Sep 7
last_arg
Passed · 8 attempts
Sep 7
first_arg
Passed · 9 attempts
Sep 7
alpha_pairs
Passed · 5 attempts
Sep 7
Member since 2 monthsActive Sep 17