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1040
Minimal Circle
Very hard
1041
Triangle
Very hard
1042
Rope
Very easy
1043
Geometry Paradox
Very easy
1044
Convex area
Medium
1045
The Circumference of the Circle
Very easy
1046
Diplomatic License
Very easy
1047
Polygon Programming with Ease
Very easy
1048
Bridge Across Islands
Easy
1049
Right-angled Triangle
Hard
1050
Cautious judge
Very hard
1051
Owl`s Problem
Very easy
1052
Mystery pattern
Very easy
1053
Stained-glass window
Very easy
1054
A Lucky number of Tiger`s
Very easy
1055
Numerical spiral
Medium
1056
Trams
Easy
1057
Islands
Medium
1058
Avoid The Lakes
Very easy
1059
Fire Station
Medium
1060
Lines
Very easy
1061
Three states
Easy
1062
Lines (2)
Very easy
1063
Cell removal
1064
The way a Knight
Very easy
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