What would be the results after the following code was executed?

int$[]$ x $=\{23,55,83,19\}$;

int$[]$ y $=\{36,78,12,24\}$;

for$($int a $=0$; a $<$ x$.$length; a$++)\{$

int index $=$ x$.$length $-1-$ a;

x$[$a$]=$ x$[$index$]$;

y$[$a$]=$ y$[$index$]$;

$\}$

What would be the results after the following code was executed?

int$[]$ x $=\{23,55,83,19\}$;

int$[]$ y $=\{36,78,12,24\}$;

for$($int a $=0$; a $<$ x$.$length; a$++)\{$

int index $=$ x$.$length $-1-$ a;

x$[$a$]=$ x$[$index$]$;

y$[$a$]=$ y$[$index$]$;

$\}$

x$[]=\{23,55,83,19\}$ and y$[]=\{36,78,12,24\}$

x$[]=\{19,83,55,23\}$ and y$[]=\{24,12,78,36\}$

This is a compilation error

x$[]=\{23,55,83,19\}$ and y$[]=\{23,55,83,19\}$

x$[]=\{36,78,12,24\}$ and y$[]=\{23,55,83,19\}$