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Problems

5cl1ftokid1bn751ql21o0vdbs
Difficulty
Sort by
5252
Penalty
Easy
5258
Gifts
Medium
5264
New issue
Easy
5265
Petya Slonikov
Very easy
5288
Common Substring (Easy)
5290
Substring (Easy)
Very easy
5300
Magic Square
Medium
5303
Twelves
5313
Matrix (Easy)
Very hard
5341
The Alliances
Very hard
5342
An Arithmetic Rectangle
5345
PIN
Very hard
5382
Fatigue and Patience
Very easy
5384
Couples Contest
5415
Find the Outlier
5416
Sliding Block Puzzle
5419
Company Organization
5443
Period of the string
5448
Subtract the substring
Easy
5452
Artokhlam
Easy
5454
Greetings
Medium
5456
Sneaky elephant calf
Very easy
5460
Matches
Very hard
5461
Set
Medium
5477
Hairdresser
Very hard
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