efad
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Rank: #1981
Level: 1
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Trophy Case
Solved Challenges
| General | Modular Inverting | 25 | |
| General | Modular Arithmetic 2 | 20 | |
| Mathematics | Legendre Symbol | 35 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| Mathematics | Quadratic Residues | 25 | |
| General | Encoding Challenge | 40 | |
| General | You either know, XOR you don't | 30 | |
| General | Extended GCD | 20 | |
| General | Favourite byte | 20 | |
| General | XOR Properties | 15 | |
| General | Bytes and Big Integers | 10 | |
| General | Base64 | 10 | |
| General | Hex | 5 | |
| General | ASCII | 5 | |
| Introduction | Great Snakes | 3 | |
| Introduction | Finding Flags | 2 |
