Problem 50892. Draw a '7' in a zero matrix!

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

Solution Stats

77.18% Correct | 22.82% Incorrect
Last Solution submitted on Dec 17, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers642

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!