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Problems

5cl1ftokid1bn751ql21o0vdbs
Difficulty
Sort by
8641
Three digit Armstrong numbers
Very easy
8644
Squarow
Easy
8648
Bishops on Black
Medium
8650
Crystal (Unknown)
Medium
8651
Bracelets (Bangles)
Easy
8661
Credit
Very easy
8671
Representable with sum of squares
Very easy
8676
Express As The Sum
Easy
8699
Find a sequence
Very easy
8706
Concatenated Numbers
Hard
8715
Flexible Segments
Very easy
8765
Find the maximum (of the function)
Very easy
8769
Nuts
Hard
8770
Class
Very easy
8774
Elections
Very easy
8775
Rules
Medium
8778
Disqualification
Very easy
8871
The largest of three
Very easy
8882
Square
Very easy
8891
Exactly one condition out of two
Very easy
8892
At least one condition out of two
Very easy
8893
Each condition of two
Very easy
8894
None of the two conditions
Very easy
8902
The smallest of the largest 3
Very easy
8903
Previous number 2
Very easy
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