Chapter 01 · Get started
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2/16 passed01Completed
Foundations 1
Best100%
02Completed
Strings & Bits
Best88%
03Retry
Lists, Math & Bases
Best0%
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
79/210Every exercise you've started, completed, refined and mastered.
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0daysExercises, challenges and checkpoints you cleared, day by day over the last 22 weeks.
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Recent exercise and challenge runs.
int_range
Retry · 2 attempts
Aug 27
strdup
Passed · 1 attempt
Aug 27
Foundations 1
Abandoned · 0/8 levels · 180 min
Aug 19
Strings & Bits
Incomplete · 1/8 levels · 180 min
Aug 18
Strings & Bits
Abandoned · 0/8 levels · 180 min
Aug 13
Foundations 1
Passed · 8/8 levels · 80 min
Aug 13
Foundations 1
Passed · 8/8 levels · 22 min
Aug 9
prefix_sum
Passed · 3 attempts
Aug 6
reverse_int
Passed · 5 attempts
Aug 5
skip_spaces
Passed · 4 attempts
Aug 5
Member since 4 monthsActive Aug 27