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Problems

Math
Difficulty
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6059
Sum of Odd Sequence
6067
Sum of Powers Version I
Very easy
6075
Rational Approximation
6081
"Metro"
Easy
6088
"Sum"
Very easy
6100
Control Block
Very easy
6138
Square root
Easy
6149
Casino
6155
Wrong monks
Very easy
6156
Hanoi Towers - Reloaded
Very easy
6174
A+B
Medium
6179
An Idea of Mr. A
Very easy
6190
Number Game
Very easy
6191
Evil & Odious
6194
Klingon Battle Bagel
6207
Biggest Slice
Easy
6212
Do It Wrong, Get It Right
Easy
6241
Solutions of Cubic Equation
Hard
6248
Permutations
Very easy
6269
J
Very hard
6270
Kids in a Friendly Class
Very easy
6273
A square from squares
Very easy
6274
Division of the Treasure
Very easy
6276
The Game of Pebbles
Very easy
6280
The amount of n-digit numbers
Hard
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