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set-register

Time of First Successful Submission: 2026-05-22 04:46:43

set-multiple-registers

Time of First Successful Submission: 2026-05-22 04:50:25

add-to-register

Time of First Successful Submission: 2026-05-22 05:39:21

linear-equation-registers

Time of First Successful Submission: 2026-05-22 05:42:22

integer-division

Time of First Successful Submission: 2026-05-22 05:47:45

modulo-operation

Time of First Successful Submission: 2026-05-22 05:53:52

set-upper-byte

Time of First Successful Submission: 2026-05-22 06:03:10

efficient-modulo

Time of First Successful Submission: 2026-05-22 06:21:33

byte-extraction

Time of First Successful Submission: 2026-05-22 07:11:37

bitwise-and

Time of First Successful Submission: 2026-05-22 07:20:41

check-even

Time of First Successful Submission: 2026-05-22 07:41:32

memory-read

Time of First Successful Submission: 2026-05-22 17:17:08

memory-write

Time of First Successful Submission: 2026-05-22 17:20:31

memory-increment

Time of First Successful Submission: 2026-05-22 17:35:26

byte-access

Time of First Successful Submission: 2026-05-22 17:46:55

memory-size-access

Time of First Successful Submission: 2026-05-22 17:50:21

little-endian-write

Time of First Successful Submission: 2026-05-22 17:56:50

memory-sum

Time of First Successful Submission: 2026-05-23 12:21:02

stack-subtraction

Time of First Successful Submission: 2026-05-23 12:27:36

swap-stack-values

Time of First Successful Submission: 2026-05-23 12:32:22

average-stack-values

Time of First Successful Submission: 2026-05-23 12:43:19

absolute-jump

Time of First Successful Submission: 2026-05-23 16:14:07

relative-jump

Time of First Successful Submission: 2026-05-23 16:50:53

jump-trampoline

Time of First Successful Submission: 2026-05-24 05:15:19

conditional-jump

Time of First Successful Submission: 2026-05-24 06:44:01

indirect-jump

Time of First Successful Submission: 2026-05-24 07:21:17

average-loop

Time of First Successful Submission: 2026-05-24 08:13:48

count-non-zero

Time of First Successful Submission: 2026-05-24 09:45:20

string-lower

Time of First Successful Submission: 2026-05-24 13:48:02

most-common-byte

Time of First Successful Submission: 2026-05-25 06:50:12


Intro to Programming Languages

253 / 253 10 / 39830


Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-06-22 14:14:12

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2026-06-22 14:45:31

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2026-06-22 14:56:02

Lecture 1.3. Linux File System

Time of First Successful Submission: 2026-06-22 16:10:07

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2026-06-22 16:16:21

Lecture 1.5. Common Commands

Time of First Successful Submission: 2026-06-22 16:30:32

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2026-06-22 16:33:26

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2026-06-22 16:41:17

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2026-06-22 16:48:10

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2026-06-22 17:25:46

Lecture 1.7. Regular Expressions

Time of First Successful Submission: 2026-06-22 17:38:48

Lecture 1.8. Misc Linux

Time of First Successful Submission: 2026-06-23 04:41:57

Lecture 1.9. Testing Code on pwn.college

Time of First Successful Submission: 2026-06-23 04:46:40

Lab 1.9 - Test some If Statements

Time of First Successful Submission: 2026-06-23 05:41:30

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-06-23 05:45:56

Commands

Time of First Successful Submission: 2026-03-24 14:05:26

Command Arguments

Time of First Successful Submission: 2026-03-24 14:06:31

Command History

Time of First Successful Submission: 2026-03-24 14:07:21

The Root Path

Time of First Successful Submission: 2026-03-24 15:17:36

Absolute Paths

Time of First Successful Submission: 2026-03-24 15:25:46

Changing position

Time of First Successful Submission: 2026-03-24 15:43:25

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-24 15:46:00

Relative Paths

Time of First Successful Submission: 2026-03-24 15:55:58

P1.0 Level 5 read

Time of First Successful Submission: 2026-06-23 05:47:05

Cat

Time of First Successful Submission: 2026-03-25 03:49:01

Ls

Time of First Successful Submission: 2026-03-25 04:02:50

Ls All

Time of First Successful Submission: 2026-03-25 04:08:44

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-06-23 05:48:27

Find

Time of First Successful Submission: 2026-03-25 04:29:28

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-06-23 05:49:12

P1.0 Level 4 move

Time of First Successful Submission: 2026-06-23 05:51:45

P1.0 Level 6 grep

Time of First Successful Submission: 2026-06-23 05:54:29

P1.0 Level 7 execute

Time of First Successful Submission: 2026-06-23 05:57:55

Piping Echo

Time of First Successful Submission: 2026-03-25 10:08:07

Piping Stdout

Time of First Successful Submission: 2026-03-25 10:09:12

Piping Stdin

Time of First Successful Submission: 2026-03-25 10:35:00

P1.0 Level 8 stdin

Time of First Successful Submission: 2026-06-23 06:02:40

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-06-23 06:03:51

P1.0 Level 10 args

Time of First Successful Submission: 2026-06-23 06:04:40

P1.0 Level 11 gccpipe

Time of First Successful Submission: 2026-06-23 06:10:43

P1.0 Level 12 speedy

Time of First Successful Submission: 2026-06-23 06:15:28

P1.0 Level 13 testing

Time of First Successful Submission: 2026-06-23 06:27:26

P1.0 Level 14 ifs test

Time of First Successful Submission: 2026-06-23 06:55:52

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-06-23 14:01:09

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-06-23 14:06:49

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-06-23 14:15:23

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-06-23 14:20:56

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-06-23 14:45:40

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-06-23 15:44:29

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-06-23 15:47:32

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-06-23 15:51:23

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-06-23 16:03:45

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-06-23 16:16:16

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-06-23 16:57:42

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2026-06-24 05:16:14

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-06-24 05:38:12

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-06-24 06:01:15

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2026-06-24 06:37:20

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2026-06-24 07:47:39

P2.1 Level 01 C Force

Time of First Successful Submission: 2026-06-24 12:17:57

P2.1 Level 02 C Args

Time of First Successful Submission: 2026-06-24 12:28:36

P2.1 Level 03 scanf

Time of First Successful Submission: 2026-06-24 13:12:28

P2.1 Level 04 getchar

Time of First Successful Submission: 2026-06-24 14:22:06

P2.1 Level 05 add-n-sub

Time of First Successful Submission: 2026-06-24 15:00:28

P2.1 Level 06 debug me

Time of First Successful Submission: 2026-06-24 16:19:47

Lecture 2.2.1.1. C-Arrays

Time of First Successful Submission: 2026-06-24 17:01:00

Lecture 2.2.2. C-Strings

Time of First Successful Submission: 2026-06-24 17:35:08

Lab 2.2.2.0 - Print C-String by Character

Time of First Successful Submission: 2026-06-25 16:37:00

Lab 2.2.2.1 - Debugging with Seg Faults

Time of First Successful Submission: 2026-06-25 17:23:31

Lecture 2.2.3.1. Input to String

Time of First Successful Submission: 2026-06-26 06:26:52

Lecture 2.2.3.2 Using fgets

Time of First Successful Submission: 2026-06-26 06:35:50

Lecture 2.2.3.3. Input Buffer

Time of First Successful Submission: 2026-06-26 06:45:45

Lecture 2.2.4. File operations

Time of First Successful Submission: 2026-06-30 04:25:14

Lab 2.2.4.1 - LeeT CaSe

Time of First Successful Submission: 2026-06-30 05:25:30

Lecture 2.2.5.1. strlen

Time of First Successful Submission: 2026-06-30 05:40:01

EzLab 2.2.5.1 - String Length (strlen)

Time of First Successful Submission: 2026-06-30 05:42:05

Lecture 2.2.5.2. strcat

Time of First Successful Submission: 2026-06-30 06:37:22

EzLab 2.2.5.2 - String Concatenate (strcat)

Time of First Successful Submission: 2026-06-30 06:48:22

Lecture 2.2.5.3. strcmp

Time of First Successful Submission: 2026-06-30 07:05:14

EzLab 2.2.5.3 - String Compare (strcmp)

Time of First Successful Submission: 2026-06-30 07:08:01

Lecture 2.2.5.4. strcpy

Time of First Successful Submission: 2026-06-30 07:12:57

EzLab 2.2.5.4 - String Copy (strcpy/strncpy)

Time of First Successful Submission: 2026-06-30 07:21:15

Lecture 2.2.5.6. strspn

Time of First Successful Submission: 2026-06-30 07:27:08

Lab 2.2.5.6 - String Highlighter

Time of First Successful Submission: 2026-06-30 10:03:49

P2.2 Level 01 length

Time of First Successful Submission: 2026-06-30 16:48:57

P2.2 Level 02 c-cat

Time of First Successful Submission: 2026-06-30 17:16:16

P2.2 Level 03 c-copy

Time of First Successful Submission: 2026-06-30 17:43:05

P2.2 Level 04 c-compare

Time of First Successful Submission: 2026-07-02 05:54:40

P2.2 Level 05 c-up

Time of First Successful Submission: 2026-07-02 09:01:19

P2.2 Level 06 c-bugs

Time of First Successful Submission: 2026-07-02 09:56:27

P2.2 Level 07 c-debugger

Time of First Successful Submission: 2026-07-02 10:34:49

P2.2 Level 08 c-debugger2

Time of First Successful Submission: 2026-07-02 10:56:23

P2.2 Level 09 c-grind

Time of First Successful Submission: 2026-07-02 11:15:22

Lecture 2.3.1. Stack pointers

Time of First Successful Submission: 2026-07-02 14:49:42

Lab 2.3.1.0 - Print Non-printable Chars

Time of First Successful Submission: 2026-07-02 16:43:58

Lecture 2.3.2.0 Examples Single Value

Time of First Successful Submission: 2026-07-03 04:52:42

Lecture 2.3.2.1. Examples of Ptr to Array

Time of First Successful Submission: 2026-07-03 05:20:09

EzLab 2.3.2.1 - Character Pointers

Time of First Successful Submission: 2026-07-03 05:22:11

EzLab 2.3.2.1 - C-String Pointers

Time of First Successful Submission: 2026-07-03 05:31:04

Lecture 2.3.3.1. strstr video

Time of First Successful Submission: 2026-07-03 05:46:16

EzLab 2.3.3.1 - Find str in str (strstr)

Time of First Successful Submission: 2026-07-03 06:32:23

Lab 2.3.3.1 - Find Word Count

Time of First Successful Submission: 2026-07-03 07:40:09

Lecture 2.3.3.2. strtok video

Time of First Successful Submission: 2026-07-04 05:21:31

EzLab 2.3.3.2 - Get tokens (strtok)

Time of First Successful Submission: 2026-07-04 06:39:18

Lab 2.3.3.2 - Word Count

Time of First Successful Submission: 2026-07-04 09:02:17

Lecture 2.3.3.3. strchr video

Time of First Successful Submission: 2026-07-04 12:33:39

Lecture 2.3.3.4. memset

Time of First Successful Submission: 2026-07-04 12:35:28

P2.3 Level 01 Pig Latin

Time of First Successful Submission: 2026-07-07 16:21:10

P2.3 Level 02 Pig Latin

Time of First Successful Submission: 2026-07-07 16:56:51

P2.3 Level 03 Pig Latin

Time of First Successful Submission: 2026-07-08 15:20:29

P2.3 Level 04 Pig Latin

Time of First Successful Submission: 2026-07-08 16:14:44

Lecture 2.4.1.1. struct into

Time of First Successful Submission: 2026-07-09 11:21:46

EzLab 2.4.1.1 - Using a struct

Time of First Successful Submission: 2026-07-09 11:26:49

Lecture 2.4.1.4. string to struct

Time of First Successful Submission: 2026-07-09 11:32:51

EzLab 2.4.1.4 - Struct from string

Time of First Successful Submission: 2026-07-09 11:48:16

Lecture 2.4.1.5. array of struct

Time of First Successful Submission: 2026-07-09 11:53:48

Lab 2.4.1.5 - Songs List

Time of First Successful Submission: 2026-07-09 13:33:48

Lecture 2.4.1.6. enum

Time of First Successful Submission: 2026-07-09 16:01:00

Lecture 2.4.2.1. C preprocessor

Time of First Successful Submission: 2026-07-10 09:56:24

EzLab 2.4.2.1 - C Preprocessor

Time of First Successful Submission: 2026-07-10 10:03:57

Lecture 2.4.2.2. Header files

Time of First Successful Submission: 2026-07-10 10:20:26

Lecture 2.4.2.6. Makefile

Time of First Successful Submission: 2026-07-10 11:18:43

EzLab 2.4.2.6 - Makefiles

Time of First Successful Submission: 2026-07-10 11:32:25

Lab 2.4.2.6 - Make Songs

Time of First Successful Submission: 2026-07-10 12:37:49

Lab 2.4.2.6 - Filter Songs

Time of First Successful Submission: 2026-07-10 13:36:05

Lecture 2.5.1.3. the heap

Time of First Successful Submission: 2026-07-10 18:18:33

Lecture 2.5.1.4. malloc an int

Time of First Successful Submission: 2026-07-10 18:23:34

Lecture 2.5.1.5. create a heap based array

Time of First Successful Submission: 2026-07-11 09:42:14

Lecture 2.5.1.6. free the heap

Time of First Successful Submission: 2026-07-11 09:44:45

EzLab 2.5.1.6 Heap

Time of First Successful Submission: 2026-07-11 09:56:01

Lab 2.5.1.6 - Stack on Heap

Time of First Successful Submission: 2026-07-11 10:35:04

Lecture 2.5.2.1. realloc

Time of First Successful Submission: 2026-07-11 14:02:05

Lecture 2.5.2.2. getline

Time of First Successful Submission: 2026-07-11 14:23:06

Lecture 2.5.2.3. strdup

Time of First Successful Submission: 2026-07-11 14:27:13

Lecture 2.5.2.4. struct malloc

Time of First Successful Submission: 2026-07-11 14:44:14

EzLab 2.5.2.4 Heap Based Array

Time of First Successful Submission: 2026-07-11 15:54:48

Lab 2.5.2.4 - Paging Songs

Time of First Successful Submission: 2026-07-11 16:49:39

P2.5 Level 01 Get Maxxed

Time of First Successful Submission: 2026-07-12 09:37:28

P2.5 Level 02 Load up those items

Time of First Successful Submission: 2026-07-12 15:05:10

P2.5 Level 03 Load the Rooms

Time of First Successful Submission: 2026-07-12 17:10:23

P2.5 Level 04 Free your mind

Time of First Successful Submission: 2026-07-12 17:26:09

P2.5 Level 05 Show me your room

Time of First Successful Submission: 2026-07-14 06:14:43

P2.5 Level 06 Moving Around

Time of First Successful Submission: 2026-07-14 13:13:45

P2.5 Level 07 Getting Items and Player's Inventory

Time of First Successful Submission: 2026-07-14 14:26:38

P2.5 Level 08 Dropping Items and Looking

Time of First Successful Submission: 2026-07-14 15:13:40

Lecture 2.6.1. Double Ptr Local

Time of First Successful Submission: 2026-07-14 17:09:39

Lecture 2.6.1.1. Double Ptr Heap

Time of First Successful Submission: 2026-07-14 17:24:39

Lecture 2.6.1.2. Triple Ptr Local

Time of First Successful Submission: 2026-07-14 17:31:20

Lecture 2.6.2.2. Pass-By-Address

Time of First Successful Submission: 2026-07-14 17:35:58

EzLab 2.6.2.2 Pass By Address

Time of First Successful Submission: 2026-07-15 14:25:24

Lecture 2.6.2.3. PBA - Double Ptrs

Time of First Successful Submission: 2026-07-15 14:30:51

Lecture 2.7.1.2. Array lists

Time of First Successful Submission: 2026-07-15 16:02:26

Lecture 2.7.1.3. Array lists insert and remove

Time of First Successful Submission: 2026-07-15 16:40:10

Lecture 2.7.2.0 Linked List

Time of First Successful Submission: 2026-07-15 16:47:09

Lecture 2.7.2.1. Linked List Insert at End

Time of First Successful Submission: 2026-07-15 17:13:25

Lecture 2.7.2.2. Linked List Insert at

Time of First Successful Submission: 2026-07-15 17:18:51

Lecture 2.7.2.3. Linked List Remove

Time of First Successful Submission: 2026-07-15 17:27:38

Lecture 2.7.2.4. Array list v. Linked List

Time of First Successful Submission: 2026-07-15 17:31:41

Lab 2.7.2.4a - Linked List Songs

Time of First Successful Submission: 2026-07-16 04:19:38

Lab 2.7.2.4b - LL Paging

Time of First Successful Submission: 2026-07-16 04:30:52

Lecture 3.1.1. OO Paradigm

Time of First Successful Submission: 2026-07-16 10:53:30

Lecture 3.1.2.1. Differences

Time of First Successful Submission: 2026-07-16 11:38:25

Lecture 3.1.2.2. Buffer and Files

Time of First Successful Submission: 2026-07-16 11:49:16

Lab 3.1.2.2 - Creating Objects from JSON

Time of First Successful Submission: 2026-07-17 05:52:19

Lecture 3.1.3. Classes

Time of First Successful Submission: 2026-07-17 06:36:42

EzLab 3.1.3.0 Classes & Objects

Time of First Successful Submission: 2026-07-17 06:47:14

Lecture 3.2.1. Inheritance introduction

Time of First Successful Submission: 2026-07-18 12:28:38

Lecture 3.2.2. Concrete Classes

Time of First Successful Submission: 2026-07-18 12:55:34

Lecture 3.2.2.1. Abstract Classes

Time of First Successful Submission: 2026-07-18 13:12:09

Lecture 3.2.2.2. Working with inherited classes

Time of First Successful Submission: 2026-07-18 13:40:37

EzLab 3.2.2.2 Inheritance

Time of First Successful Submission: 2026-07-18 14:19:02

Lecture 3.2.4. Header and c++ Files

Time of First Successful Submission: 2026-07-18 14:26:34

P3.2 Level 01 Get Data

Time of First Successful Submission: 2026-07-18 17:29:48

P3.2 Level 02 Create the Shop

Time of First Successful Submission: 2026-07-19 06:28:46

P3.2 Level 03 Shop Interface

Time of First Successful Submission: 2026-07-19 10:10:59

P3.2 Level 04 Buy

Time of First Successful Submission: 2026-07-19 16:20:53

P3.2 Level 05 Search

Time of First Successful Submission: 2026-07-22 14:59:32

P3.2 Level 06 Multi-store

Time of First Successful Submission: 2026-07-22 16:42:36

P3.2 Level 07 Search-Buy

Time of First Successful Submission: 2026-07-22 16:58:28

Lecture 3.3.1.2. Templated Types

Time of First Successful Submission: 2026-07-23 16:50:35

Lecture 3.3.2.1. STL Pairs and Vectors

Time of First Successful Submission: 2026-07-23 17:47:23

Lecture 3.3.2.2. STL Map

Time of First Successful Submission: 2026-07-23 18:08:21

Lecture 3.3.3. Smart Pointers

Time of First Successful Submission: 2026-07-24 10:17:34

Lecture 3.3.4.1. Pass by Reference

Time of First Successful Submission: 2026-07-26 12:20:28

Lecture 3.3.4.2. Operator Overloading

Time of First Successful Submission: 2026-07-26 12:47:16

Lecture 3.3.4.3. Friend keyword

Time of First Successful Submission: 2026-07-26 13:10:54

P3.3 Level 01 Integrate and Load

Time of First Successful Submission: 2026-07-27 16:42:10

P3.3 Level 02 Load Team

Time of First Successful Submission: 2026-07-27 18:48:01

P3.3 Level 03 Remove and Add

Time of First Successful Submission: 2026-07-28 07:35:33

P3.3 Level 04 Battle

Time of First Successful Submission: 2026-07-28 09:31:07

P3.3 Level 05 Challenge the Trainers

Time of First Successful Submission: 2026-07-28 09:47:42

EC 3.3 Level 01 Derek

Time of First Successful Submission: 2026-07-28 13:53:04

EC 3.3 Level 02 Sri

Time of First Successful Submission: 2026-07-28 14:09:09

EC 3.3 Level 03 Daniel10015

Time of First Successful Submission: 2026-07-28 14:25:16

EC 3.3 Level 04 Sayhilel

Time of First Successful Submission: 2026-07-28 14:42:41

EC 3.3 Level 05 Mai

Time of First Successful Submission: 2026-07-28 14:47:36

EC 3.3 Level 06 Memory Mastermind

Time of First Successful Submission: 2026-07-28 14:53:43

EC 3.3 Level 07 Jenna

Time of First Successful Submission: 2026-07-28 14:59:35

EC 3.3 Level 08 Prad

Time of First Successful Submission: 2026-07-28 15:06:52

EC 3.3 Level 09 Jared

Time of First Successful Submission: 2026-07-28 16:19:44

EC 3.3 Level 10 Sidharth

Time of First Successful Submission: 2026-07-28 16:31:18

EC 3.3 Level 11 Jay

Time of First Successful Submission: 2026-07-28 16:50:18

EC 3.3 Level 12 Tricky Mystic

Time of First Successful Submission: 2026-07-28 17:08:58

Lecture 3.4.1.0 BFS 1

Time of First Successful Submission: 2026-07-29 06:53:59

Lecture 3.4.1.1. BFS 2

Time of First Successful Submission: 2026-07-29 07:10:55

EzLab 3.4.1.1 BFS in a Matrix

Time of First Successful Submission: 2026-07-29 07:49:02

Lecture 3.4.2.0 Min Heap 1

Time of First Successful Submission: 2026-07-29 13:55:50

Lecture 3.4.2.1. Min Heap Insert

Time of First Successful Submission: 2026-07-29 13:59:00

Lecture 3.4.2.2. Min Heap Delete

Time of First Successful Submission: 2026-07-29 14:03:16

Lecture 3.4.2.3. Min Heap in Array

Time of First Successful Submission: 2026-07-29 14:08:14

Lecture 3.4.2.4. Min Heap in Arr Insert

Time of First Successful Submission: 2026-07-29 14:15:01

EC3.4 Level 01 - MUD Driver 1

Time of First Successful Submission: 2026-07-29 18:10:29

EC3.4 Level 02 - MUD Driver

Time of First Successful Submission: 2026-07-30 05:32:40

Lecture 4.1.1. Functional Programming Paradigm

Time of First Successful Submission: 2026-07-30 05:53:40

Lecture 4.1.1.2. Why Functional Language

Time of First Successful Submission: 2026-07-30 06:12:37

Lecture 4.1.2.1. Scheme Intro Part 1

Time of First Successful Submission: 2026-07-30 06:26:56

Lecture 4.1.2.2. Scheme Intro Part 2

Time of First Successful Submission: 2026-07-30 06:49:16

Lecture 4.1.2.3. Math Operations in Scheme

Time of First Successful Submission: 2026-07-30 06:58:20

Lecture 4.1.2.4. Predicates and Types

Time of First Successful Submission: 2026-07-30 07:16:11

Lecture 4.1.3.1. Conditionals

Time of First Successful Submission: 2026-07-30 07:26:27

Lab 4.1 - Hello

Time of First Successful Submission: 2026-07-30 07:33:21

Lecture 4.2.1.1. Functions

Time of First Successful Submission: 2026-07-30 09:40:49

Lab 4.2.1 - String Info

Time of First Successful Submission: 2026-07-30 10:04:19

Lecture 4.2.2. List Operations

Time of First Successful Submission: 2026-07-30 13:47:15

Lecture 4.2.2.1. Recursion

Time of First Successful Submission: 2026-07-30 14:15:05

Lecture 4.2.3. Higher Order Functions

Time of First Successful Submission: 2026-07-30 14:48:49

Lab 4.2.2 - String Mangler

Time of First Successful Submission: 2026-07-30 17:46:33

Lab 4.2.3 - Damage Calculator

Time of First Successful Submission: 2026-07-30 18:46:14

P4.2 Level 01 String Info

Time of First Successful Submission: 2026-08-02 05:11:45

P4.2 Level 02 FF Attack Calc

Time of First Successful Submission: 2026-08-02 05:23:41

P4.2 Level 03 FF Base Dmg Calc

Time of First Successful Submission: 2026-08-02 05:53:06

P4.2 Level 04 Factorial 2.0

Time of First Successful Submission: 2026-08-02 06:11:43

P4.2 Level 05 Get Fourthy

Time of First Successful Submission: 2026-08-02 06:28:37

P4.2 Level 06 Filtering My Char Out

Time of First Successful Submission: 2026-08-02 08:16:57

Lecture 5.1.1.1 Introduction to Prolog

Time of First Successful Submission: 2026-08-02 09:26:39

Lecture 5.1.2.3 Facts

Time of First Successful Submission: 2026-08-02 09:53:06

Lecture 5.1.2.4 Rules

Time of First Successful Submission: 2026-08-02 13:34:20

Lecture 5.1.2.6 Searching for a Solution

Time of First Successful Submission: 2026-08-02 14:03:41

Lab 5.1.2 - Romeo and Juliet's Love

Time of First Successful Submission: 2026-08-02 14:35:25

Lecture 5.1.3.1 Operators

Time of First Successful Submission: 2026-08-02 15:49:42

Lab 5.1.3a - List Females and Males using listing

Time of First Successful Submission: 2026-08-02 15:57:26

Lab 5.1.3b - Iffy Queries

Time of First Successful Submission: 2026-08-02 16:07:13

Lecture 5.2.1.1 Recursion

Time of First Successful Submission: 2026-08-03 13:48:06

Lecture 5.2.1.2 Recursive Rules

Time of First Successful Submission: 2026-08-03 14:35:26

Lecture 5.2.1.3 Graphs

Time of First Successful Submission: 2026-08-03 16:32:17

Lecture 5.2.1.3 Map Coloring

Time of First Successful Submission: 2026-08-06 17:06:18

Lab 5.2.1.1 - ancestors

Time of First Successful Submission: 2026-08-06 17:38:51

Lecture 5.2.1.3 Map Coloring

Time of First Successful Submission: 2026-08-06 17:43:21

Lecture 5.2.1.3 Coin Machine

Time of First Successful Submission: 2026-08-06 18:08:27

Lecture 5.2.1.3 Sort Example

Time of First Successful Submission: 2026-08-06 18:36:09

Lecture 5.2.2.4 Other Examples

Time of First Successful Submission: 2026-08-06 18:38:45

Lab 5.2.2 - List people using findall

Time of First Successful Submission: 2026-08-06 18:44:36

P50 Level 01 - State Coloring

Time of First Successful Submission: 2026-08-06 19:00:52


Intro to Cybersecurity

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File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-08-09 14:07:54

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-08-09 14:29:48

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-08-09 16:25:49

Reading Endianness (Python)

Time of First Successful Submission: 2026-08-09 17:00:51

Reading Endianness (C)

Time of First Successful Submission: 2026-08-09 17:16:07

Reading Endianness (x86)

Time of First Successful Submission: 2026-08-09 17:54:47

Version Information (Python)

Time of First Successful Submission: 2026-08-10 08:15:12

Version Information (C)

Time of First Successful Submission: 2026-08-10 08:25:19

Version Information (x86)

Time of First Successful Submission: 2026-08-10 08:38:58

Metadata and Data (Python)

Time of First Successful Submission: 2026-08-10 15:03:42

Metadata and Data (C)

Time of First Successful Submission: 2026-08-10 15:25:16

Metadata and Data (x86)

Time of First Successful Submission: 2026-08-10 16:23:13

Input Restrictions (Python)

Time of First Successful Submission: 2026-08-10 16:30:49

Input Restrictions (C)

Time of First Successful Submission: 2026-08-10 16:43:05

Input Restrictions (x86)

Time of First Successful Submission: 2026-08-10 16:56:15

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-08-11 17:27:33

Behold the cIMG! (C)

Time of First Successful Submission: 2026-08-12 05:48:37

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-08-12 07:01:35

A Basic cIMG (Python)

Time of First Successful Submission: 2026-08-12 10:36:04

A Basic cIMG (C)

Time of First Successful Submission: 2026-08-12 14:18:10

A Basic cIMG (x86)

Time of First Successful Submission: 2026-08-12 14:28:09

Internal State Mini (C)

Time of First Successful Submission: 2026-08-12 17:58:59


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-22 18:21:03

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-22 18:23:14

Using the GUI Desktop

Time of First Successful Submission: 2026-03-22 18:31:58

Pasting into the Desktop

Time of First Successful Submission: 2026-03-22 18:33:29

Restarting Challenges

Time of First Successful Submission: 2026-03-22 18:44:01

Challenge Programs

Time of First Successful Submission: 2026-03-23 18:12:47

The Flag File

Time of First Successful Submission: 2026-03-23 18:15:16

Using Privileged Mode

Time of First Successful Submission: 2026-03-23 18:21:04

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-23 18:27:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-23 18:28:06


Linux Luminarium

128 / 128 2649 / 40432


Intro to Commands

Time of First Successful Submission: 2026-03-24 14:05:26

Intro to Arguments

Time of First Successful Submission: 2026-03-24 14:06:31

Command History

Time of First Successful Submission: 2026-03-24 14:07:21

The Root

Time of First Successful Submission: 2026-03-24 15:17:36

Program and absolute paths

Time of First Successful Submission: 2026-03-24 15:25:46

Position thy self

Time of First Successful Submission: 2026-03-24 15:43:25

Position elsewhere

Time of First Successful Submission: 2026-03-24 15:46:00

implicit relative paths, from /

Time of First Successful Submission: 2026-03-24 15:55:58

explicit relative paths, from /

Time of First Successful Submission: 2026-03-24 15:59:47

implicit relative path

Time of First Successful Submission: 2026-03-24 16:03:15

home sweet home

Time of First Successful Submission: 2026-03-24 18:51:47

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-25 03:49:01

catting absolute paths

Time of First Successful Submission: 2026-03-25 03:49:57

more catting practice

Time of First Successful Submission: 2026-03-25 03:50:51

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-25 03:51:43

comparing files

Time of First Successful Submission: 2026-03-25 03:54:05

listing files

Time of First Successful Submission: 2026-03-25 04:02:50

touching files

Time of First Successful Submission: 2026-03-25 04:04:17

removing files

Time of First Successful Submission: 2026-03-25 04:05:16

moving files

Time of First Successful Submission: 2026-03-25 04:06:07

copying files

Time of First Successful Submission: 2026-03-25 04:07:21

hidden files

Time of First Successful Submission: 2026-03-25 04:08:44

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-25 04:19:31

making directories

Time of First Successful Submission: 2026-03-25 04:24:10

finding files

Time of First Successful Submission: 2026-03-25 04:29:28

linking files

Time of First Successful Submission: 2026-03-25 05:25:02

Learning From Documentation

Time of First Successful Submission: 2026-03-25 05:46:54

Learning Complex Usage

Time of First Successful Submission: 2026-03-25 05:56:53

Reading Manuals

Time of First Successful Submission: 2026-03-25 06:00:19

Searching Manuals

Time of First Successful Submission: 2026-03-25 06:05:49

Searching For Manuals

Time of First Successful Submission: 2026-03-25 06:29:21

Helpful Programs

Time of First Successful Submission: 2026-03-25 06:35:22

Help for Builtins

Time of First Successful Submission: 2026-03-25 06:37:11

Matching with *

Time of First Successful Submission: 2026-03-25 08:46:57

Matching with ?

Time of First Successful Submission: 2026-03-25 08:51:22

Matching with []

Time of First Successful Submission: 2026-03-25 09:07:28

Matching paths with []

Time of First Successful Submission: 2026-03-25 09:30:01

Multiple globs

Time of First Successful Submission: 2026-03-25 09:33:00

Mixing globs

Time of First Successful Submission: 2026-03-25 09:35:07

Exclusionary globbing

Time of First Successful Submission: 2026-03-25 09:48:04

Tab completion

Time of First Successful Submission: 2026-03-25 09:51:39

Multiple options for tab completion

Time of First Successful Submission: 2026-03-25 09:54:38

Tab completion on commands

Time of First Successful Submission: 2026-03-25 09:55:57

Redirecting output

Time of First Successful Submission: 2026-03-25 10:08:07

Redirecting more output

Time of First Successful Submission: 2026-03-25 10:09:12

Appending output

Time of First Successful Submission: 2026-03-25 10:11:01

Redirecting errors

Time of First Successful Submission: 2026-03-25 10:28:49

Redirecting input

Time of First Successful Submission: 2026-03-25 10:35:00

Grepping stored results

Time of First Successful Submission: 2026-03-25 13:19:45

Grepping live output

Time of First Successful Submission: 2026-03-25 13:20:51

Grepping errors

Time of First Successful Submission: 2026-03-25 13:25:24

Filtering with grep -v

Time of First Successful Submission: 2026-03-25 13:40:03

Filtering with sed

Time of First Successful Submission: 2026-03-25 13:50:06

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-25 14:04:59

Process substitution for input

Time of First Successful Submission: 2026-03-25 16:03:49

Writing to multiple programs

Time of First Successful Submission: 2026-03-25 17:41:05

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-25 18:07:20

Named pipes

Time of First Successful Submission: 2026-03-25 18:19:48

Printing Variables

Time of First Successful Submission: 2026-03-26 15:24:17

Setting Variables

Time of First Successful Submission: 2026-03-26 15:30:58

Multi-word Variables

Time of First Successful Submission: 2026-03-26 15:35:16

Exporting Variables

Time of First Successful Submission: 2026-03-26 18:28:16

Printing Exported Variables

Time of First Successful Submission: 2026-03-26 18:29:24

Storing Command Output

Time of First Successful Submission: 2026-03-26 18:34:01

Reading Input

Time of First Successful Submission: 2026-03-26 18:43:30

Reading Files

Time of First Successful Submission: 2026-03-26 18:48:00

Translating characters

Time of First Successful Submission: 2026-03-27 05:52:05

Deleting characters

Time of First Successful Submission: 2026-03-27 05:55:05

Deleting newlines

Time of First Successful Submission: 2026-03-27 05:58:52

Extracting the first lines with head

Time of First Successful Submission: 2026-03-27 06:05:35

Extracting specific sections of text

Time of First Successful Submission: 2026-03-27 06:26:17

Sorting data

Time of First Successful Submission: 2026-03-27 06:36:24

Listing Processes

Time of First Successful Submission: 2026-03-27 07:53:15

Killing Processes

Time of First Successful Submission: 2026-03-27 07:57:55

Interrupting Processes

Time of First Successful Submission: 2026-03-27 08:02:04

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-27 08:09:36

Suspending Processes

Time of First Successful Submission: 2026-03-27 08:38:39

Resuming Processes

Time of First Successful Submission: 2026-03-27 14:34:01

Backgrounding Processes

Time of First Successful Submission: 2026-03-27 14:48:14

Foregrounding Processes

Time of First Successful Submission: 2026-03-27 14:50:59

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-27 14:53:14

Process Exit Codes

Time of First Successful Submission: 2026-03-27 15:27:08

Becoming root with su

Time of First Successful Submission: 2026-03-27 18:03:28

Other users with su

Time of First Successful Submission: 2026-03-27 18:06:35

Cracking passwords

Time of First Successful Submission: 2026-03-27 18:34:16

Using sudo

Time of First Successful Submission: 2026-03-27 19:44:16

Changing File Ownership

Time of First Successful Submission: 2026-03-28 10:54:34

Groups and Files

Time of First Successful Submission: 2026-03-28 11:03:55

Fun With Groups Names

Time of First Successful Submission: 2026-03-28 11:05:40

Changing Permissions

Time of First Successful Submission: 2026-03-28 11:19:22

Executable Files

Time of First Successful Submission: 2026-03-28 11:21:10

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-28 11:30:58

Permissions Setting Practice

Time of First Successful Submission: 2026-03-28 11:41:56

The SUID Bit

Time of First Successful Submission: 2026-03-28 11:45:22

Chaining with Semicolons

Time of First Successful Submission: 2026-03-29 17:00:16

Building on Success

Time of First Successful Submission: 2026-03-29 17:04:13

Handling Failure

Time of First Successful Submission: 2026-03-29 17:07:59

Your First Shell Script

Time of First Successful Submission: 2026-03-29 17:09:35

Redirecting Script Output

Time of First Successful Submission: 2026-03-29 17:16:31

Executable Shell Scripts

Time of First Successful Submission: 2026-03-29 17:25:29

Understanding Shebangs

Time of First Successful Submission: 2026-03-29 18:09:26

Scripting with Arguments

Time of First Successful Submission: 2026-03-29 18:15:44

Scripting with Conditionals

Time of First Successful Submission: 2026-03-29 18:20:45

Scripting with Default Cases

Time of First Successful Submission: 2026-03-29 18:22:56

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-29 18:26:26

Reading Shell Scripts

Time of First Successful Submission: 2026-03-29 18:34:40

Launching Screen

Time of First Successful Submission: 2026-03-29 18:48:18

Detaching and Attaching

Time of First Successful Submission: 2026-03-29 18:53:11

Finding Sessions

Time of First Successful Submission: 2026-03-29 18:56:14

Switching Windows

Time of First Successful Submission: 2026-03-29 19:00:08

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-29 19:06:02

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-29 19:15:03

The PATH Variable

Time of First Successful Submission: 2026-03-30 14:31:18

Setting PATH

Time of First Successful Submission: 2026-03-30 14:35:43

Finding Commands

Time of First Successful Submission: 2026-03-30 14:39:55

Adding Commands

Time of First Successful Submission: 2026-03-30 16:39:40

Hijacking Commands

Time of First Successful Submission: 2026-03-30 17:00:57

Bashrc Backdoor

Time of First Successful Submission: 2026-03-30 17:14:24

Sniffing Input

Time of First Successful Submission: 2026-03-30 17:52:18

Overshared Directories

Time of First Successful Submission: 2026-03-30 18:35:27

Tricky Linking

Time of First Successful Submission: 2026-03-30 18:59:36

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-31 13:59:26

Snooping on Configurations

Time of First Successful Submission: 2026-03-31 14:11:05

The Fork Bomb

Time of First Successful Submission: 2026-03-31 15:09:05

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-31 16:38:57

rm -rf /

Time of First Successful Submission: 2026-03-31 16:43:32

Life after rm -rf /

Time of First Successful Submission: 2026-03-31 16:51:13

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-31 17:06:19


Computing 101

126 / 132 219 / 21981


Your First Register

Time of First Successful Submission: 2026-04-04 17:12:38

Your First Syscall

Time of First Successful Submission: 2026-04-04 17:23:24

Exit Codes

Time of First Successful Submission: 2026-04-04 17:29:56

Building Executables

Time of First Successful Submission: 2026-04-05 12:39:31

Moving Between Registers

Time of First Successful Submission: 2026-04-05 12:53:55

Loading From Memory

Time of First Successful Submission: 2026-04-06 07:06:48

More Loading Practice

Time of First Successful Submission: 2026-04-06 08:19:14

Dereferencing Pointers

Time of First Successful Submission: 2026-04-06 08:34:17

Dereferencing Yourself

Time of First Successful Submission: 2026-04-06 08:41:41

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-06 08:52:18

Stored Addresses

Time of First Successful Submission: 2026-04-06 09:02:47

Double Dereference

Time of First Successful Submission: 2026-04-06 09:06:22

The Stack

Time of First Successful Submission: 2026-04-06 14:07:18

Stack Offsets

Time of First Successful Submission: 2026-04-06 14:49:17

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-06 14:57:04

Popping From the Stack

Time of First Successful Submission: 2026-04-06 16:44:31

Negative Numbers

Time of First Successful Submission: 2026-06-12 09:27:27

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-12 09:34:44

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-12 09:41:08

Encoding Negatives

Time of First Successful Submission: 2026-06-12 09:57:35

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-12 12:43:45

More Hex

Time of First Successful Submission: 2026-06-12 12:47:46

Decoding Hex

Time of First Successful Submission: 2026-06-12 12:52:15

Mixed Conversions

Time of First Successful Submission: 2026-06-12 13:01:53

Disassembling Programs

Time of First Successful Submission: 2026-04-14 10:37:33

Tracing Syscalls

Time of First Successful Submission: 2026-04-14 13:32:35

Starting GDB

Time of First Successful Submission: 2026-04-14 13:34:35

Quitting GDB

Time of First Successful Submission: 2026-04-14 13:35:37

Starting Programs in GDB

Time of First Successful Submission: 2026-04-14 13:42:27

Disassembling in GDB

Time of First Successful Submission: 2026-04-14 13:44:09

Stepping Through Instructions

Time of First Successful Submission: 2026-04-14 13:46:55

Reading Register Values

Time of First Successful Submission: 2026-04-14 13:48:35

Popping Stack Values

Time of First Successful Submission: 2026-04-14 13:52:38

Examining Memory

Time of First Successful Submission: 2026-04-14 14:01:36

Examining Stack Pointers

Time of First Successful Submission: 2026-04-14 14:08:53

Cooperative Debugging

Time of First Successful Submission: 2026-04-14 14:42:06

Running with Arguments

Time of First Successful Submission: 2026-06-12 13:05:24

Writing Output

Time of First Successful Submission: 2026-04-14 17:02:41

Chaining Syscalls

Time of First Successful Submission: 2026-04-14 17:04:52

Writing Strings

Time of First Successful Submission: 2026-04-14 17:06:12

Reading Data

Time of First Successful Submission: 2026-04-15 13:42:58

Reading Exactly

Time of First Successful Submission: 2026-06-16 04:09:10

Opening Files

Time of First Successful Submission: 2026-04-15 14:32:16

Hardcoding the Filename

Time of First Successful Submission: 2026-04-15 14:47:49

RIP-Relative Strings

Time of First Successful Submission: 2026-06-12 13:31:09

Comparing Values

Time of First Successful Submission: 2026-04-17 10:31:03

Comparing Characters

Time of First Successful Submission: 2026-04-17 10:35:52

Conditional Control Flow

Time of First Successful Submission: 2026-04-17 10:58:08

Comparing Strings

Time of First Successful Submission: 2026-04-17 11:01:53

Reverse the Password

Time of First Successful Submission: 2026-04-17 11:16:15

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-17 17:15:39

Recognizing Loops

Time of First Successful Submission: 2026-04-17 18:12:47

Writing From a Shared Library

Time of First Successful Submission: 2026-06-12 05:20:08

Returning a Value

Time of First Successful Submission: 2026-06-12 05:30:24

Calling Through a Pointer

Time of First Successful Submission: 2026-06-12 05:35:41

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-12 05:40:48

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-06-12 05:58:02

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-06-12 06:04:03

Sign Extension

Time of First Successful Submission: 2026-06-13 07:58:40

Little-Endian Bytes

Time of First Successful Submission: 2026-06-12 14:28:47

Qword by Qword

Time of First Successful Submission: 2026-06-12 14:45:46

Dword by Dword

Time of First Successful Submission: 2026-06-12 15:45:47

Word by Word

Time of First Successful Submission: 2026-06-12 15:48:54

Byte by Byte

Time of First Successful Submission: 2026-06-12 15:50:26

Cracking a Struct

Time of First Successful Submission: 2026-06-12 16:00:45

Scrambled Struct

Time of First Successful Submission: 2026-06-12 16:05:53

Reverse the Calculation

Time of First Successful Submission: 2026-04-17 18:45:06

Reverse the Reverse

Time of First Successful Submission: 2026-04-17 18:47:08

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-19 17:26:23

Even or Odd

Time of First Successful Submission: 2026-06-12 06:35:53

Masking Bits

Time of First Successful Submission: 2026-06-12 06:42:54

Lowercase a String

Time of First Successful Submission: 2026-06-12 07:01:47

Uppercase a String

Time of First Successful Submission: 2026-06-12 07:28:50

Swap Case

Time of First Successful Submission: 2026-06-12 07:35:38

Shifting Left

Time of First Successful Submission: 2026-06-12 07:39:54

Shifting Right

Time of First Successful Submission: 2026-06-12 07:52:30

Loops on Data

Time of First Successful Submission: 2026-04-19 17:42:43

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-06-12 16:56:20

Using Your Own Frame

Time of First Successful Submission: 2026-06-13 06:27:59

Environment Variables on the Stack

Time of First Successful Submission: 2026-06-13 07:01:52

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-06-13 07:30:03

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-06-13 07:42:34

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-06-13 07:54:54

A Single Digit

Time of First Successful Submission: 2026-06-13 13:39:26

Two Digits

Time of First Successful Submission: 2026-06-13 14:04:18

String to Integer

Time of First Successful Submission: 2026-06-13 14:38:12

Negative Numbers

Time of First Successful Submission: 2026-06-13 14:55:51

Where the Number Ends

Time of First Successful Submission: 2026-06-13 16:36:31

A Whole Program

Time of First Successful Submission: 2026-06-13 17:18:34

A Single Digit, Back to Text

Time of First Successful Submission: 2026-06-14 04:35:09

Divide and Remainder

Time of First Successful Submission: 2026-06-14 05:10:22

Drop the Leading Zero

Time of First Successful Submission: 2026-06-14 05:38:12

Integer to String

Time of First Successful Submission: 2026-06-14 06:40:51

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-06-14 07:54:40

Sum Them All

Time of First Successful Submission: 2026-06-14 11:29:28

Addition

Time of First Successful Submission: 2026-06-14 11:49:16

Subtraction

Time of First Successful Submission: 2026-06-14 11:59:46

Multiplication

Time of First Successful Submission: 2026-06-14 12:02:23

Bitwise Operators

Time of First Successful Submission: 2026-06-14 12:04:49

Unary Operators

Time of First Successful Submission: 2026-06-14 12:09:19

Literal Output

Time of First Successful Submission: 2026-06-14 14:22:11

Newline Escapes

Time of First Successful Submission: 2026-06-14 15:17:18

Escaped Syntax

Time of First Successful Submission: 2026-06-14 15:55:56

Decimal Markers

Time of First Successful Submission: 2026-06-14 16:35:44

Multiple Decimal Markers

Time of First Successful Submission: 2026-06-14 16:45:21

String Markers

Time of First Successful Submission: 2026-06-14 16:59:49

Hex Byte Escapes

Time of First Successful Submission: 2026-06-14 17:10:24

Debugging Programs

Time of First Successful Submission: 2026-06-15 10:39:46

Inspecting Registers

Time of First Successful Submission: 2026-06-15 10:45:30

Examining Memory

Time of First Successful Submission: 2026-06-15 11:15:51

Setting Breakpoints

Time of First Successful Submission: 2026-06-15 12:09:50

GDB Scripting

Time of First Successful Submission: 2026-06-15 14:02:06

Modifying Data

Time of First Successful Submission: 2026-06-15 16:10:21

Modifying Execution

Time of First Successful Submission: 2026-06-16 03:37:51

Broken Functions

Time of First Successful Submission: 2026-06-16 03:58:46

Exit

Time of First Successful Submission: 2026-06-10 16:41:35

Socket

Time of First Successful Submission: 2026-06-10 17:08:59

Bind

Time of First Successful Submission: 2026-06-11 04:40:01

Listen

Time of First Successful Submission: 2026-06-11 06:26:22

Accept

Time of First Successful Submission: 2026-06-11 06:59:24

Static Response

Time of First Successful Submission: 2026-06-11 07:33:52

Dynamic Response

Time of First Successful Submission: 2026-06-11 11:09:50

Iterative GET Server

Time of First Successful Submission: 2026-06-11 12:22:51

Concurrent GET Server

Time of First Successful Submission: 2026-06-11 13:25:10

Concurrent POST Server

Time of First Successful Submission: 2026-06-11 15:59:22

Web Server

Time of First Successful Submission: 2026-06-11 17:13:57


DSU Cyber Camps

12 / 104 2268 / 55384


Using the Terminal

Time of First Successful Submission: 2026-03-22 18:21:03

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-22 18:23:14

Using the GUI Desktop

Time of First Successful Submission: 2026-03-22 18:31:58

Pasting into the Desktop

Time of First Successful Submission: 2026-03-22 18:33:29

Connecting over SSH

Time of First Successful Submission: 2026-03-22 18:39:16

Restarting Challenges

Time of First Successful Submission: 2026-03-22 18:44:01

Getting Help

Time of First Successful Submission: 2026-03-22 18:47:31

Challenge Programs

Time of First Successful Submission: 2026-03-23 18:12:47

The Flag File

Time of First Successful Submission: 2026-03-23 18:15:16

Using Privileged Mode

Time of First Successful Submission: 2026-03-23 18:21:04

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-23 18:27:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-23 18:28:06


GCA CTF

12 / 104 2268 / 55383


Using the Terminal

Time of First Successful Submission: 2026-03-22 18:21:03

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-22 18:23:14

Using the GUI Desktop

Time of First Successful Submission: 2026-03-22 18:31:58

Pasting into the Desktop

Time of First Successful Submission: 2026-03-22 18:33:29

Connecting over SSH

Time of First Successful Submission: 2026-03-22 18:39:16

Restarting Challenges

Time of First Successful Submission: 2026-03-22 18:44:01

Getting Help

Time of First Successful Submission: 2026-03-22 18:47:31

Challenge Programs

Time of First Successful Submission: 2026-03-23 18:12:47

The Flag File

Time of First Successful Submission: 2026-03-23 18:15:16

Using Privileged Mode

Time of First Successful Submission: 2026-03-23 18:21:04

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-23 18:27:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-23 18:28:06