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Problems

Implementation
Difficulty
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7772
ASCII Addition
Very easy
7787
IQ test for robots
Very easy
7788
DNA Decoding
7789
Table Transformation
Very easy
7801
Summer school
Very easy
7803
Coins on the Board
Hard
7809
Morning exercises
Very easy
7814
Two-digit number from three-digit
Easy
7816
Two trains
7829
Sum of elements
7830
The largest element of the array
7831
Sum without maximum
7832
Number of maximums
7833
More than average
Very easy
7840
Joy of computer scientist
Easy
7841
Odd elements
7842
Even indexes
7843
Bigger than previous
7844
Neighbors of the same sign
7846
Maximum element
7847
Number of different elements
Very easy
7848
Swap the neighbours
7849
Change max and min
Easy
7850
Unique elements
Very easy
7852
Biking Duck
Hard
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