Problems
Casino#2993
Very hard · Graphs
System of equations#2994
Very hard · Binary Search · Math
The extra digits#2995
Medium · Implementation
Official Approval#2996
Very easy · Graphs
Friday - 13#2997
Medium · Implementation
Checkered sheet#2998
Easy · Implementation
Function-10#2999
Very easy · Combinatorics
Tournament#3002
Very easy · Implementation
Suitable pairs#3003
Easy · Brute force
Queue#3004
Easy · Data Structures
Salutes#3005
Medium · Dynamic programming
Penalty#3006
Easy · Implementation
Correct Boards#3007
Easy · Implementation
Elevator#3008
Hard · Binary Search · Implementation
Euphony#3009
Medium · Strings
Noisy Neighbors#3010
Medium · Sorting
No left turns#3011
Very hard · Graphs
Cards#3012
Very hard · Greedy algorithms
Magic Parenthesis#3013
Medium · Stacks
Maze#3014
Easy · Graphs
Camouflaged camp#3015
Very hard · Brute force
Ancient Manuscript#3016
Easy · Dynamic programming · String suffix structures
Bus Trip#3017
Easy · Binary Search
Polygon#3018
Very hard · Geometry
Typesetting#3019
Medium · Implementation · String suffix structures