QUYỂN SỐ 1
QUYỂN SỐ 2
QUYỂN SỐ 3
Related posts:
Strange Device
Tanya and Password
Balls and Boxes
Bear and Blocks
Little Artem and Matrix
Linear Congruence Equation
Network Topology
Berland Federalization
Sparse Table
Design Tutorial: Learn from Math
Quest
Parallel Programming
Power Tree
Points on Line
Nested Rubber Bands
Orchestra
Stars and bars
New Year and Castle Construction
Vanya and Cubes
Double Elimination
Dima and Two Sequences
Suffix Array
Sum of Nestings
Wilbur and Strings
Cow and Treats
Finding the rank of a matrix
The Inclusion-Exclusion Principle
King of Thieves
Fox and Perfect Sets
Captain Marmot
Wrong Subtraction
Train Tracks