Cody

Problems

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Problem 45282. Cryptography with A Square Matrix : Decoding

Created by: Mehmet OZC

Tags encoding, matrix, cryptography

2

10

Problem 45279. Cryptography with A Square Matrix : Encoding

Created by: Mehmet OZC

Tags encoding, matrix, cryptography

2

10

Problem 44351. Code breaker, Part I: Operation Phoenix

Created by: David Verrelli

Tags speed, cipher, cryptography

1

36

Problem 44356. Code breaker, Part II: Operation Orthos

Created by: David Verrelli

Tags speed, cipher, cryptography

1

23
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