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

874 Solutions

663 Solvers

Last Solution submitted on Feb 22, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers663

Thilanka Udara Truong Minh bao Lorenzo

Suggested Problems

More from this Author12

Problem Tags

Community Treasure Hunt

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

Start Hunting!