Problem 50897. Draw a '9' in a zero matrix!

Given a x-by-x matrix filled with zeros (x is odd and > 3). Use 9s to draw a number 9 into it! Like this:
x = 5, y =
9 9 9 9 9
9 0 0 0 9
9 9 9 9 9
0 0 0 0 9
9 9 9 9 9
x = 7, y =
9 9 9 9 9 9 9
9 0 0 0 0 0 9
9 0 0 0 0 0 9
9 9 9 9 9 9 9
0 0 0 0 0 0 9
0 0 0 0 0 0 9
9 9 9 9 9 9 9
Solve

Solution Stats

71.09% Correct | 28.91% Incorrect
Last Solution submitted on Dec 28, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers615

Suggested Problems

More from this Author12

Problem Tags

x

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!