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wu :: forums    riddles    hard (Moderators: Grimbal, Icarus, ThudnBlunder, william wu, SMQ, Eigenray, towr)    Re: .JPG riddle « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Re: .JPG riddle  (Read 1086 times) Aryabhatta Uberpuzzler     Gender: Posts: 1321 Re: .JPG riddle   « on: Jan 18th, 2008, 12:21pm » Quote Modify If the answer is bananas this should be in easy   IP Logged SMQ wu::riddles Moderator Uberpuzzler     Gender: Posts: 2084 Re: .JPG riddle   « Reply #1 on: Jan 18th, 2008, 12:36pm » Quote Modify While there's no objection to progressive riddles, we generally don't much go for "email me the answer" around here -- it's a discussion board after all.  Also, I have my doubts about this belonging in Hard -- either medium or CS is probably more appropriate.   As to the puzzle itself, JPEG files normally end with the two bytes FF D9 -- the JPEG EOI (end of image) marker; however, in this file there are 91 bytes of data following the EOI:   0878: 52 61 72 21 1A 07 00 CF 90 73 00 00 0D 00 00 00  |  Rar!     s       0888: 00 00 00 00 C9 B2 74 20 90 39 00 07 00 00 00 07  |        t  9       0898: 00 00 00 02 D1 A2 6B DF A3 9E 32 38 1D 30 14 00  |        k   28 0   08A8: 20 00 00 00 54 68 65 20 61 6E 73 77 65 72 20 69  |      The answer i 08B8: 73 2E 2E 2E 2E 74 78 74 00 B0 A0 25 26 42 61 6E  |  s....txt   %&Ban 08C8: 61 6E 61 73 C4 3D 7B 00 40 07 00                 |  anas ={ @   So on first guess, I'd say: "The answer is Bananas."   [edit] In fact, those 91 bytes are a very small RAR file.  WinZip won't open it, but let's see if I can make any progress by hand... [/edit]   [edit2] As I suspected, although there are a few bytes I can't account for, it's clearly a RAR archive containing a file named "The answer is....txt" which file contains the uncompressed string "Bananas" [/edit2]   --SMQ « Last Edit: Jan 18th, 2008, 1:03pm by SMQ » IP Logged --SMQ lantybunning Newbie     Gender: Posts: 1 Re: .JPG riddle   « Reply #2 on: Jan 18th, 2008, 12:51pm » Quote Modify Woah, i didn't realise people we that clever, o well IP Logged FiBsTeR Senior Riddler     Gender: Posts: 581 Re: .JPG riddle   « Reply #3 on: Jan 20th, 2008, 4:25pm » Quote Modify Sorry to bring this back up, but what was the original problem here? Was there an attachment? IP Logged towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: .JPG riddle   « Reply #4 on: Jan 21st, 2008, 2:01am » Quote Modify I would assume there had been a jpg-attachment (or link).     Considering the cruel decapitation of this thread, perhaps it's best if I delete it in a day or two. IP Logged Wikipedia, Google, Mathworld, Integer sequence DB SMQ wu::riddles Moderator Uberpuzzler     Gender: Posts: 2084 Re: .JPG riddle   look_within.jpg « Reply #5 on: Jan 21st, 2008, 6:32am » Quote Modify If you'd prefer to recreate it through editing, I have attached the original file to this post...   --SMQ IP Logged --SMQ Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium => hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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