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Learn C
0/28 modulesFirst program
3/142 required exercises
44/3448 XP0/7 checkpoints validated
- Get started0 / 32 required exercisesRecommended
- Structure your code0 / 25 required exercisesAhead
- Text3 / 29 required exercisesIn progress
- Memory0 / 15 required exercisesAhead
- Your own types0 / 19 required exercisesAhead
- The machine0 / 18 required exercisesAhead
- The system0 / 4 required exercisesAhead
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
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EXERCISE MASTERY
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STREAK
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ACTIVITY
Recent exercise and challenge runs.
strlen
Passed · 4 attempts
Jul 22
strcpy
Passed · 5 attempts
Jul 22
isalpha
Passed · 1 attempt
Jul 22
countdown
Retry · 2 attempts
Jul 22
print_digits
Retry · 1 attempt
Jul 21
Member since 1 monthActive Jul 22