Extracting repeated numbers from array

Question

let us take an array
{12, 2, 217, 36, 10, 24, 36, 15, 10, 36, 12, 10, 36}
now we have to get the output as
{36, 10, 12}
that means the highest repeated number have to come at the first place like
36 repeated 4 times
10 -> 3 times
12 -> 2 times

Answer 1

which language ....

Answer 2

here is the code

https://code.sololearn.com/cy9iWaA8u36n/?ref=app

Answer 3

using c#

Answer 4

not this, the output should be
36,10,12

Answer 5

if u can plz do this using list

Answer 6

ok using list makes program much slower.
but here is the code

https://code.sololearn.com/cW25JOvk1hyD/?ref=app