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3069
Guess the Numbers
3071
Peer Review
3074
Graph Theory
Very easy
3089
Very Boring Homework
Medium
3090
Universal Question Answering System
3101
Coalescing Continents
3105
Grade School Multiplication
3107
Pizza Pricing
3108
Su-domino-ku
3111
Sokoban
3117
Rolling Dice
3133
Range
Very easy
3135
XML
3138
Resistors
Very easy
3144
Задача из старого ЕГЭ
Medium
3149
Тетрис
Very hard
3161
Deques on 6 Megabytes
Very easy
3183
Join
3187
Calculator
Hard
3191
The Primes
Easy
3195
The Balance
3196
Make a Sequence
3197
Leaky Cryptography
3198
Pathological Paths
3200
Dice Puzzle
Easy
1
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25
26
27
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85