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Using the Terminal

Time of First Successful Submission: 2026-04-15 20:01:00

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-15 20:02:59

Using the GUI Desktop

Time of First Successful Submission: 2026-04-15 20:04:16

Pasting into the Desktop

Time of First Successful Submission: 2026-04-15 20:06:02

Restarting Challenges

Time of First Successful Submission: 2026-04-15 20:17:51

Challenge Programs

Time of First Successful Submission: 2026-04-15 20:18:50

The Flag File

Time of First Successful Submission: 2026-04-15 20:20:14

Using Privileged Mode

Time of First Successful Submission: 2026-04-15 20:22:22

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-15 20:24:52

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-15 20:25:35


Computing 101

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set-register

Time of First Successful Submission: 2026-04-21 20:23:04

set-multiple-registers

Time of First Successful Submission: 2026-04-22 14:18:34

add-to-register

Time of First Successful Submission: 2026-04-22 14:22:18

linear-equation-registers

Time of First Successful Submission: 2026-04-22 14:25:21

integer-division

Time of First Successful Submission: 2026-04-22 14:32:21

modulo-operation

Time of First Successful Submission: 2026-04-22 14:35:03

set-upper-byte

Time of First Successful Submission: 2026-04-22 14:45:40

efficient-modulo

Time of First Successful Submission: 2026-04-22 14:54:43

byte-extraction

Time of First Successful Submission: 2026-04-22 15:06:36

bitwise-and

Time of First Successful Submission: 2026-04-22 15:17:05

check-even

Time of First Successful Submission: 2026-04-22 15:34:02

memory-read

Time of First Successful Submission: 2026-04-22 15:37:24

memory-write

Time of First Successful Submission: 2026-04-22 15:41:09

memory-increment

Time of First Successful Submission: 2026-04-22 15:45:57

byte-access

Time of First Successful Submission: 2026-04-22 15:50:52

memory-size-access

Time of First Successful Submission: 2026-04-23 13:43:15

little-endian-write

Time of First Successful Submission: 2026-04-23 13:50:04

memory-sum

Time of First Successful Submission: 2026-04-23 13:59:19

stack-subtraction

Time of First Successful Submission: 2026-04-23 14:04:08

swap-stack-values

Time of First Successful Submission: 2026-04-23 14:06:52

average-stack-values

Time of First Successful Submission: 2026-04-23 14:15:37

absolute-jump

Time of First Successful Submission: 2026-04-23 14:19:03

relative-jump

Time of First Successful Submission: 2026-04-23 14:29:08

jump-trampoline

Time of First Successful Submission: 2026-04-23 14:32:37

conditional-jump

Time of First Successful Submission: 2026-04-23 14:57:44

indirect-jump

Time of First Successful Submission: 2026-04-23 17:52:58

average-loop

Time of First Successful Submission: 2026-04-23 18:15:37

count-non-zero

Time of First Successful Submission: 2026-04-23 18:29:45


GCA CTF

11 / 104 9555 / 45963


Using the Terminal

Time of First Successful Submission: 2026-04-15 20:01:00

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-15 20:02:59

Using the GUI Desktop

Time of First Successful Submission: 2026-04-15 20:04:16

Pasting into the Desktop

Time of First Successful Submission: 2026-04-15 20:06:02

Connecting over SSH

Time of First Successful Submission: 2026-04-15 20:14:54

Restarting Challenges

Time of First Successful Submission: 2026-04-15 20:17:51

Challenge Programs

Time of First Successful Submission: 2026-04-15 20:18:50

The Flag File

Time of First Successful Submission: 2026-04-15 20:20:14

Using Privileged Mode

Time of First Successful Submission: 2026-04-15 20:22:22

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-15 20:24:52

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-15 20:25:35