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Chapter 01 · Get started
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32/147 required exercises
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1/16 passed01Completed
Foundations 1
Best100%
02Retry
Strings & Bits
Best38%
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
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EXERCISE MASTERY
43/210Every 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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18
ACTIVITY
Recent exercise and challenge runs.
abs_safe
Retry · 8 attempts
Aug 28
strcmp
Passed · 1 attempt
Aug 26
atoi
Passed · 1 attempt
Aug 26
argv_sum
Passed · 4 attempts
Aug 26
Foundations 1
Passed · 8/8 levels · 51 min
Aug 24
Strings & Bits
Incomplete · 1/8 levels · 6 min
Aug 20
fix-the-prototype
Passed · 1 attempt
Aug 20
fix-the-syntax
Passed · 2 attempts
Aug 20
Strings & Bits
Incomplete · 3/8 levels · 180 min
Jul 9
Foundations 1
Passed · 8/8 levels · 76 min
Jul 8
Member since 5 monthsActive Aug 28
Brought 2 learners in before Grademe opened