Problems
Convex hull#1044
Medium · Geometry
The Circumference of the Circle#1045
Very easy · Geometry
Diplomatic License#1046
Very easy · Geometry
Polygon Programming with Ease#1047
Very easy · Geometry
Bridge Across Islands#1048
Easy · Geometry
Right-angled Triangle#1049
Hard · Geometry
Cautious judge#1050
Very hard · Geometry
Owl's Problem#1051
Very easy · Binary Search
Mystery pattern#1052
Very easy · Geometry
Stained-glass window#1053
Very easy · Geometry
Tiger's Lucky Number#1054
Very easy · Number theory · Hashing · Brute force
Numerical spiral#1055
Medium · Implementation
Trams#1056
Easy · Graphs
Islands#1057
Medium · Graphs
Avoid The Lakes#1058
Very easy · Graphs
Fire Station#1059
Medium · Graphs
Lines#1060
Medium · Graphs · Breadth-first Search
Three states#1061
Easy · Graphs · Breadth-first Search
Lines (2)#1062
Medium · Graphs · Breadth-first Search
Cell removal#1063
Easy · Graphs · Depth-first Search
The Knight's Path#1064
Very easy · Graphs
Garden beds#1065
Easy · Graphs · Depth-first Search
The nearest number#1066
Medium · Graphs
Rectangular division#1067
Easy · Graphs
Speleologist's Path#1068
Very easy · Graphs