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Problems

Probabilities
Difficulty
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1576
The Lost Gift
1577
So you want to be a 2^n-aire?
1578
Probability Given
1579
Triple Jump
Very easy
1580
Prime Soccer
1581
The Dice Game
1582
Laser Shooting
Easy
1584
Random Shuffle
Easy
1695
Students - free of charge!
Very easy
1723
Colored Balls
Very easy
1771
Is there life on Mars?
Easy
1772
Vasya and the Cube
1779
Weighted dice
Very easy
1797
Взлом хеш-функции
Very easy
1842
Triangle
Very easy
1897
What? Where? When?
Very easy
1909
Drawing
1930
Fast Typing
Very hard
2067
Gemini
Very easy
2153
Probablisctic OR
2155
Strong-Willed Victory
Easy
2231
The Vanishing
Easy
2373
Dice
Easy
2630
Shuffle
Very hard
2652
Rock Skipping
Very hard
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