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Problems

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Difficulty
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1593
Elegant permuted sum
Very easy
1618
The Longest Common Subsequence
1619
House Robber
Very easy
1630
Incidental Points
Very easy
1649
Bit sorting
Hard
1656
Sorting
Easy
1751
Permutation Representation
Easy
1760
Gnawed Books
Medium
1793
A head on one's shoulders
Easy
1805
Page Count
1883
Manual sorting
Very hard
1918
Puzzle
Easy
1920
Friendly Points
Easy
1953
The results of the Olympiad
1962
The results of the Olympiad
Very easy
2002
Pattern Coloring
Easy
2010
Mice and Cheese
Easy
2041
The day of the competitors
Hard
2050
Dynamic Inversion
Very easy
2057
K Smallest Sums
Very easy
2076
Towers
Very easy
2090
Built-in command queue
Hard
2127
Farmer
Very easy
2161
Football club
Medium
2212
Tariffs
Hard
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