Code Golf February 2017

February 2017 - Print a Diamond Matrix.md

February 2017 - Print a Diamond Matrix

Task

Print a Diamond Matrix x numbers deep, x will always be greater than 0 and less than 10.

Examples:

(4) => 
        1
       121
      12321
     1234321
      12321
       121
        1

(9) => 
        1
       121
      12321
     1234321
    123454321
   12345654321
  1234567654321
 123456787654321
12345678987654321
 123456787654321
  1234567654321
   12345654321
    123454321
     1234321
      12321
       121
        1

(1) => 1

*^You can assume that you will always recieved valid input

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Language: JS
Length: 88
Solution:

x=n=>{for(i=n;--i+n;console.log(s))for(j=n;j;s=j--^n?k>0?k+s+k:" "+s:k+"")k=i<0?j+i:j-i}