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Problems

Dynamic programming
Difficulty
Sort by
1860
Present for Piglet
Very easy
1861
Dice
Easy
1862
Five-star challenge
Easy
1863
Strong tiling
Very easy
1864
Hamilton Pipeline
Easy
1865
Hexagon and rhombic domino
Easy
1866
Cute patterns 2
Medium
1868
Function
Very easy
1869
Paths on the board
Very easy
1874
Holidays
Hard
1887
How to Break All Records
Medium
1902
A very friendly group
Easy
1903
Trees with an odd number of independent sets
Medium
1917
Diamond
Easy
1922
Octahedron And Dominoes
Easy
1925
Traffic Jam
Very hard
1926
Number of Permutations
Very easy
1928
Enjoy Arithmetic Progressions
Very hard
1930
Fast Typing
Very hard
1981
Mushroom
Very easy
1988
The largest increasing subsequence
Easy
1995
How can I help?
Very hard
2011
Mutation
Medium
2012
Sequence
Very easy
2019
Fibonacci sequence
Medium
  • 1
  • …
  • 11
  • 12
  • 13
  • …
  • 55