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Chapter 01 · Get started
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View pathTECHNICAL SKILLS
CHALLENGE ACHIEVEMENTS
0/16 passed01
Foundations 1
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.
strlen
Passed · 3 attempts
Sep 27
find_last_e
Passed · 2 attempts
Sep 27
box
Passed · 4 attempts
Sep 27
putchar
Passed · 1 attempt
Sep 16
bare_char
Passed · 1 attempt
Sep 16
static_byte
Passed · 1 attempt
Sep 16
print_digits
Passed · 1 attempt
Sep 16
countdown
Passed · 1 attempt
Sep 16
hello
Passed · 4 attempts
Sep 16
Member since 1 monthActive Sep 27