Problem 943. "mirror" matrix

• Created by Grzegorz Knor
• Appears in 2 groups

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By solving this problem, you will make progress in the following group(s)

Strings III

• 23 Problems
• 22 Finishers

Swap Between Values

• 13 Problems
• 41 Finishers

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Difficulty:

(141)

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Create n x 2n "mirror" matrix of this type:

Examples

For n = 2

 m = [ 1 2 2 1
       1 2 2 1 ]

For n = 3

 m = [ 1 2 3 3 2 1
       1 2 3 3 2 1
       1 2 3 3 2 1 ]

Solve

Solution Stats

54.05% Correct | 45.95% Incorrect

• 1345 Solutions
• 645 Solvers

Last Solution submitted on Apr 22, 2025

Last 200 Solutions

Solution Comments

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