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Problems

1 – 6 of 6
Problem Title
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Solvers
Difficulty

Problem 55510. Congruent

Created by: Asif Newaz

Tags easy, numbers, modular arithmetic

1

39

Problem 751. Implement simple rotation cypher

Created by: Doug Hull

Tags encoding, cipher, asee

13

1085

Problem 45363. Exponentiation

Created by: Asif Newaz

Tags math, basic, modulo

1

27

Problem 51451. Guess the card in Fitch Cheney’s five-card trick

Created by: ChrisR

Tags permutations, modular arithmetic, card trick

0

4

Problem 51461. Pass the cards in Fitch Cheney's five-card trick

Created by: ChrisR

Tags permutations, modular arithmetic, card trick

0

2

Problem 59212. Primitive Root Modulo n

Created by: HH

Tags number theory, modular arithmetic

1

5
1 – 6 of 6