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Problems

Topics
Difficulty
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2190
Chain of words
Very easy
2191
Dialogs on UCM
Very easy
2192
Nothing was lost
Easy
2193
Lines
Very easy
2194
Palindrome Number
Very easy
2195
Spell check
Medium
2196
String Transformer
2197
Antipalindrome
Easy
2198
Lines
Very easy
2199
Cyclic k-extension
Medium
2200
Words
Easy
2201
UFO
Medium
2202
Programming Technology
Very hard
2203
Roads
Easy
2204
Weak k-connectivity
Very easy
2205
Elevator
Easy
2206
Minibuses
Very easy
2207
Electric train
Very easy
2208
Taxi
Very easy
2209
Elevators
Easy
2211
The largest sawtooth subsequence
Easy
2212
Tariffs
Hard
2213
Three-dimensional rooks
Medium
2214
Function 9
Easy
2215
Foreign Languages
Easy
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