Problems
Intersection#3925
Hard · Geometry
Cube#3926
Very easy · Dynamic programming
Economy#3927
Very easy · Greedy algorithms
Fence#3928
Very hard · Geometry
Schedule#3929
Very easy · Greedy algorithms · Priority Queue
Hotel#3930
Medium · Math · Number theory
Iguana#3931
Hard · Graphs · Brute force
Tournament#3932
Medium · Binary Search · Probabilities · Math
Dunno#3933
Easy · Math
Legion#3934
Very easy · Math
Reverse#3935
Very easy · Implementation
Towers of Hanoi#3936
Easy · Math
Digital root#3937
Very easy · Sorting
Ariel#3939
Medium · Bitmasks · Binary Search · Sorting
Cinderella#3941
Medium · Greedy algorithms · Math
Darkwing Duck#3942
Very hard · Segment Tree · Prefix Sums
Epic Fail of a Genie#3943
Hard · Sorting · Dynamic programming
Flood#3944
Very hard · Graphs · Graph network flows
Gadget Hackwrench#3945
Very easy · Graphs
Hunt for Treasure!#3946
Very hard · Combinatorics · Probabilities · Graphs · Math
Innovative Business#3947
Medium · Math · Greedy algorithms · Number theory
Key to Magica`s diary#3949
Medium · Strings · Probabilities
Subsets#3950
Easy · Bitmasks · Brute force
Statues on the Bridge#3951
Easy · Dynamic programming
All binary numbers of length n that contain k 1s#3952
Very easy · Brute force