TH
thia
Chapter 01 · Get started
First program
60/3592 XP0/7 checkpoints validated
3/147 required exercises
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
3/210Every exercise you've started, completed, refined and mastered.
Not started
In progress
Completed
Mastered
STREAK
0daysExercises, challenges and checkpoints you cleared, day by day over the last 22 weeks.
Best streak
1d
This week
0
Active days
2
ACTIVITY
Recent exercise and challenge runs.
sort_list
Passed · 4 attempts
Sep 22
prime_factors
Retry · 11 attempts
Sep 22
is_power_of_2
Passed · 2 attempts
Aug 31
rev_str
Passed · 7 attempts
Aug 31
Member since 2 monthsActive Sep 22