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Problems

Brute force
Difficulty
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3143
Lexicographically smallest ternary
Medium
3150
Equation
Easy
3178
Prisoner of Benda
Very hard
3179
Four Chips (Easy)
Easy
3191
The Primes
Easy
3197
Leaky Cryptography
3199
Confusing Login Names
3200
Dice Puzzle
Easy
3212
Instant messaging system
Easy
3221
Channel Allocation
3231
Huffman Trees
Easy
3235
Interesting number
Easy
3286
Light Road
3307
Dice Room
3336
Hexagram
Easy
3338
Vive la Difference!
3348
City Game
Very hard
3354
Sum
Very easy
3357
Wonderful!
Very easy
3359
Cubes
Easy
3363
Beautiful name
Very easy
3366
Mesmerization of The Count
Very hard
3369
Pride and Prejudice and Zombies
Medium
3381
Guessing Game
Medium
3382
Hidden Code
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