Problem 1078. Make a diamond

Amin Bashi

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Given n, odd number > 1, return n by n matrix consist of "null" and "*" characters arranged like a diamond.

No toolbox functions please.

n = 3

m =

 *
* *
 *

n = 7

m =

   *   
  * *  
 *   *  
*     *
 *   *  
  * *
   *

Solve

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482 Solutions

114 Solvers

Last Solution submitted on Feb 14, 2026

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@bmtran (Bryant Tran) on 1 Dec 2012

may I suggest reinforcing your test suite using isequal or strcmp to hardcoded diamond strings?

Amin Bashi on 1 Dec 2012

updated!

Nikolaos Nikolaou on 4 Apr 2020

its unclear what the problem wants plz fix

Dyuman Joshi on 31 Dec 2020

Needs better test suite rather than just checking random things (which is better suited to be the secondary fail safe not the primary).
This is just lazy from the OP.

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