Problem 50882. Draw a '3' in a zero matrix!

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

Solution Stats

73.54% Correct | 26.46% Incorrect
Last Solution submitted on Jan 16, 2026

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers640

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!