PE
pedri
Chapter 01 · Get started
First program
232/3592 XP0/7 checkpoints validated
11/147 required exercises
View pathTECHNICAL SKILLS
CHALLENGE ACHIEVEMENTS
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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
13/210Every 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.
int_range
Retry · 4 attempts
Aug 25
strdup
Passed · 6 attempts
Aug 25
strlen
Passed · 2 attempts
Aug 22
strstr
Passed · 9 attempts
Aug 22
strncat
Passed · 3 attempts
Aug 22
strcat
Passed · 2 attempts
Aug 22
strncmp
Passed · 10 attempts
Aug 22
strcmp
Passed · 1 attempt
Aug 22
power
Passed · 11 attempts
Aug 23
digit_sum
Passed · 1 attempt
Aug 21
Member since 2 monthsActive Aug 25