Problem 1642. BULLSEYE Part 2: Reference Problem 18 BULLSEYE

Given n (always odd), return output a that has concentric rings of the 1s and 0s around the center point. Examples:

 Input  n = 3
 Output a is [ 1 1 1 
               1 0 1
               1 1 1 ]
 Input  n = 5
 Output a is [    1     1     1     1     1
                  1     0     0     0     1
                  1     0     1     0     1
                  1     0     0     0     1
                  1     1     1     1     1]
Solve

Solution Stats

51.06% Correct | 48.94% Incorrect
Last Solution submitted on Dec 02, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers152

Suggested Problems

More from this Author16

Problem Tags

matrix

Community Treasure Hunt

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

Start Hunting!