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Problems
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Difficulty
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5138
Increasing subsequence
Hard
5179
Folding
Very easy
5184
Antagonistic Game
Very easy
5197
Fibonacci Numbers
Medium
5203
Fibonacci Numbers
Medium
5205
Parentheses
Very easy
5206
Logical Tree
Very easy
5207
Palindrome
Easy
5208
Sum of cubes
Medium
5215
Inserting key values
Easy
5226
Construction
Easy
5238
Archiver
Hard
5261
Least common subnumber
Hard
5262
Tram Intersection
Easy
5268
About the Benefits of Nails
Medium
5277
Hiking
Very easy
5279
Path
Very easy
5295
Number in the bracket sequence
Easy
5296
Bracket sequence with 2 types of brackets
Medium
5306
Stones
Very easy
5310
Eagles and Woodpeckers
Very hard
5312
B-trees
Very hard
5329
Party
Very easy
5330
Robbers from the Grand Staircase
Easy
5331
Thylacine
Very easy
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