CTF! Submit your flag when you have an answer
Rules
- Teams of up to 3
- Flags are the answers to computer science questions
- Whoever has the most points at the end wins
- Submit your answer using the form above. We will check
them and let you know if your answer was right or wrong
- You can submit multiple times for the same question. However,
please wait for us to check and let you know
- Submit 1 flag per team. Designate a submitter
Questions!
Freebie - 1 point
Easy - 5 points
- The numbers, what do they say?
2 18 1 9 14 26 26 26
- What is the opening tag to create a comment in HTML?
- Can you convert the number 42 (base 10) to binary (base 2)?
- How would you make a hello world statement in Python? Flag is the line of code.
- How do you comment in python?
- How do you comment in Java?
- In python how do you make a function? The flag is 3 letters.
- What gets wetter the more it dries? The flag is the MD5 hash of the answer to the riddle
Medium - 10 points
- What is 0x3D (base 16) in decimal (base 10)?
- I heard a certain roman consul liked to keep secrets. Anyways arm spaghetti: om3e4di0gxpn3bd0gp
- Below is an encoded hex string. Decode this back into bytes to get the flag.
486578436f6465466c616748657265
- ASCII is a 7-bit encoding standard which allows the representation of text using the integers 0-127. Using the below integer array, convert the numbers to their corresponding ASCII characters to obtain a flag.
[65, 83, 67, 73, 73, 95, 112, 114, 49, 110, 116, 52, 98, 108, 51]
- Polybius walked in a square once, I think. Well anyways, while he was walking he wrote this message for you.
4423152131112224433534315412244543434145114215
Hard - 20 points
- Take a look at this garden! On an unrelated note, has anyone seen my hex editor? Hint: the format of the flag is: Here is a flag “[the flag]”
- New York Times
Sometimes I like to console myself when inspecting the grass for easter eggs, for they are not always immediately apparent.
Hint: the format of the flag is: All the code that’s fit to [the flag]
- Put your detective caps on.