Problems
Magical Labyrinth#7092
Very hard · Graphs · Dynamic programming
Chess Club#7093
Easy · Data Structures · Sorting
Chess#7094
Medium · Dynamic programming · Math
Factorials#7095
Easy · Math · Number theory
School#7096
Very easy · Graphs · Shortest paths
Without lift#7107
Easy · Implementation
Fire control#7108
Very easy · Implementation
Fire Control - 2#7109
Medium · Implementation
Weighing balance#7110
Very easy · Dynamic programming
Terusky#7111
Very easy · Strings · Brute force
Cards#7113
Easy · Implementation
He's Circles#7125
Very easy · Number theory
Sorter#7127
Hard · Sorting · Greedy algorithms
Rubik's Cube#7128
Hard · Constructive Algorithms · Greedy algorithms
Skiing#7171
Medium · Prefix Sums
Races#7174
Easy · Prefix Sums · Dynamic programming
Intersection#7176
Very easy · Graphs
Rectangle#7192
Medium · Brute force · Implementation
Riemannian Geometry-2#7193
Easy · Geometry
Motel#7194
Very easy · Geometry · Math
Test#7195
Easy · Implementation · Graphs
Banking#7196
Very easy · Dynamic programming
Resistance#7197
Very hard · Graphs
Street Racing#7198
Easy · Graphs · Trees
Cryptogram#7199
Very hard · Brute force · Strings