Problems
Відбір на фінал#10967
Easy · Sorting
ML#10968
Very easy · Math
Кристали#10969
Easy · Greedy algorithms
Стовпчики#10970
Very hard · Dynamic programming
Strategic Defense Initiative#10971
Easy · Dynamic programming
Shmerulean#10972
Very hard · Geometry · Binary Search · Constructive Algorithms
Boomer#10973
Very easy · Implementation
Sort the dates#10992
Very easy · Sorting
Bmail Computer Network#10993
Easy · Trees
Party with Enemies#10994
Medium · Graphs · Graph matchings
Squares and Cubes#10995
Medium · Math · Implementation
Flight routes check#10996
Easy · Graphs
Books#10997
Easy · Implementation · Binary Search · Prefix Sums
File and worker#10998
Medium · Strings
Come and Go#10999
Medium · Depth-first Search · Graphs
Road Construction#11000
Very easy · Disjoint set union · Graphs
Road Reparation#11001
Medium · Trees
Tree Painting#11002
Easy · Graphs · Trees
Difference of numbers#11011
Very easy · Sorting
Ice Balls#11012
Very easy · Math
Robot vacuum cleaner#11014
Hard · Brute force · Implementation
Quadcopter#11015
Medium · Graphs · Dijkstra algorithm
Щасливі числа#11016
Very easy · Implementation
Покупка#11017
Very easy · Dynamic programming