Learn C
2/28 modulesRead the error
23/142 required exercises
280/3448 XP0/7 checkpoints validated
- Get started15 / 32 required exercisesRecommended
- Structure your code0 / 25 required exercisesIn progress
- Text8 / 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 passed01Retry
Foundations 1
Best25%
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
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EXERCISE MASTERY
25/200Every 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.
Best streak
3d
This week
1
Active days
5
ACTIVITY
Recent exercise and challenge runs.
box
Passed · 5 attempts
6d ago
lead_token
Retry · 3 attempts
7d ago
strcat
Retry · 8 attempts
7d ago
strcpy
Passed · 11 attempts
8d ago
swap_str
Retry · 2 attempts
8d ago
write_str
Passed · 2 attempts
8d ago
strlen
Passed · 1 attempt
8d ago
toupper
Passed · 19 attempts
8d ago
isspace
Passed · 2 attempts
8d ago
isdigit
Passed · 1 attempt
8d ago
Member since 1 monthActive 6d ago