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Problems

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Difficulty
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3148
Polar rectangles
Very hard
3149
Tetris
Very hard
3150
Equation
Easy
3151
Jupiterian Jewelers
3152
Coin Collectors
Medium
3161
Deques on 6 Megabytes
Very easy
3162
Graph
Hard
3163
Graph Coloring
Easy
3165
Bicoloring
Medium
3166
Asteroids collision
Medium
3167
Most distant points pair
Easy
3168
Minimum Area Bounding Box
Hard
3169
Burn after reading
Hard
3170
Clear after burning
Hard
3171
Point within a circle
Easy
3172
Tower Game Easy
Hard
3173
Tower Game (Hard)
Hard
3174
North East King
Very easy
3175
Upper Right King (Hard)
Medium
3176
Deal or No Deal
3177
UFO
Very easy
3178
Mind Swap Problem
Very hard
3179
Four Chips (Easy)
Easy
3180
Four Chips (Hard)
Hard
3181
Regular expressions (Easy)
Very easy
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