Chapter 01 · Get started
Conditions and loops
704/3592 XP0/7 checkpoints validated
41/147 required exercises
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Foundations 1
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02Retry
Strings & Bits
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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
16Retry
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EXERCISE MASTERY
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Recent exercise and challenge runs.
detect_cycle
Passed · 8 attempts
4d ago
list_apply
Passed · 1 attempt
4d ago
list_node_count
Passed · 2 attempts
4d ago
reverse_print
Passed · 3 attempts
13d ago
memset
Passed · 2 attempts
13d ago
skip_spaces
Passed · 1 attempt
17d ago
fix-the-warnings
Passed · 3 attempts
29d ago
fix-the-format
Passed · 6 attempts
29d ago
fix-the-unused
Passed · 1 attempt
29d ago
brainfuck
Passed · 7 attempts
Oct 4
Member since 3 monthsActive 4d ago