DMOJ Capture The Flag '20 C4 - Larger Encryption

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Points: 10
Time limit: 0.5s
Memory limit: 128M

Problem type
Allowed languages
Ada, Assembly, Awk, Brain****, C, C#, C++, COBOL, CommonLisp, D, Dart, F#, Forth, Fortran, Go, Groovy, Haskell, Intercal, Java, JS, Kotlin, Lisp, Lua, Nim, ObjC, OCaml, Octave, Pascal, Perl, PHP, Pike, Prolog, Python, Racket, Ruby, Rust, Scala, Scheme, Sed, Swift, TCL, Text, Turing, VB, Zig

Turned out the encryption we rolled in the previous challenge was not secure, so we decided to change up the encryption again. Hopefully this one is a little more secure. da5fde5b09d63b664a5f3cdf2749eccc 5.3K
encrypted 10771534e19027725cdc69496d988440 5.5K

This problem is from DMOJ Capture The Flag '20. For more details, please view the contest page.


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