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5255
Digit
Very easy
5256
Volume
Very easy
5258
Gifts
Medium
5263
Obedient children
Very easy
5264
New issue
Easy
5269
Operation "Y"
Easy
5270
Sandboxes
Very easy
5276
Forest
Medium
5282
Saddle points
Very easy
5283
Thaw
Very easy
5289
Nenokku (Easy)
Very easy
5293
Cartesian tree
Easy
5297
Restoration of an HTML file
Easy
5301
Array
Very easy
5305
Snake Cube
Very hard
5311
Dynamic array
Medium
5322
Numeral system - 1
Very easy
5323
Number System - 2
Easy
5325
Stand in order
5327
Bracket sequence
Very easy
5328
Find Minimum
5334
Incinerate el
5335
Product on a short number
Very easy
5342
An Arithmetic Rectangle
5348
Roadworks
Medium
1
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40
41
42
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86