Challenge!! Let's go to order

Question

I want a code to order all the elements of my array, for example: I have
a[4]={5,3,8,4}
...after the code...
a[4]={3,4,5,8}

Answer 1

#include <algorithm>
...
std::sort(a,a+4);

Answer 2

Arrays.sort(a[4]);

Answer 3

Here's my attempt in Cpp and Java
Check it out
https://code.sololearn.com/cuitKiUC8C62/?ref=app
https://code.sololearn.com/cY5BGE6O1l9U/?ref=app
https://code.sololearn.com/cMnAEJ9oNZ02/?ref=app

Answer 4

Here, another cool one in C
https://code.sololearn.com/cFXjqRnYSN1X/?ref=app