Problems
Three-digit numbers 5#9995
Easy · Brute force
Three-digit numbers 7#9997
Very easy · Brute force
Three-digit numbers 8#9998
Very easy · Brute force
Three-digit Armstrong numbers#9999
Very easy · Brute force
Sticks#10001
Hard · Brute force · Implementation
Almost maximum#10003
Easy · Dynamic programming
Domino#10004
Easy · Dynamic programming · Sorting
Units#10005
Very easy · Dynamic programming
Number#10023
Very easy · Implementation
How many words#10024
Easy · Brute force
How many residents#10025
Easy · Math · Implementation
Number Partitioning#10026
Very easy · Dynamic programming
Robot on the Number Line#10027
Very easy · Implementation
Characteristic#10028
Medium · Expression parsing · Stacks
Corona2020#10029
Very easy · Brute force
SpaceX#10030
Easy · Sorting · Greedy algorithms
Skyscrapers#10031
Medium · Binary Search · Sorting · Two pointers · Data Structures
Positive tests#10032
Medium · Number theory · Math
Fire extinguishing robot#10033
Hard · Binary Search · Dynamic programming
Virus detection#10034
Easy · Graphs
LinkedList Cycle#10042
Easy · Two pointers
LinkedList Cycle starting point#10043
Medium · Two pointers
LinkedList Merge#10044
Easy · Implementation
Class LinkedList#10045
Very easy · Data Structures