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Problems

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Difficulty
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9536
Sum of matrices
9537
Transpose the matrix
Very easy
9538
Chocolate bar
Very easy
9539
Task about Vova
9540
Numbers with different digits
Very easy
9541
Chessboard
Easy
9542
Product of digits
Easy
9543
Swimming pool
Medium
9544
String operations
Easy
9545
Tower
Medium
9546
Old Phone
Very easy
9547
Factorial (function)
Medium
9551
Sum a*a + ... + b * b
9552
Salut!
Very easy
9553
Happy ending with happy painting
Easy
9554
Start of the new journey
Medium
9555
We are drunk
Easy
9556
Longest Alternating Sequence with One Flip
Very easy
9557
Bins and balls
Very easy
9558
Flags
Easy
9559
Grid with equal xor
Easy
9560
Two-dimensional array - input, output
9561
Largest in each column
Very easy
9562
Sum of subarray elements
Easy
9563
Rows with minimal elements
Very easy
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