$4.$ while $($i $<25)$

$16.\{$

$12.\{$

$7.\{$

$2.\{$

$5.\{$

$4.$ What is the output of the code fragment given below?

$2.$ int i $=0$;

$3.$ int j $=0$;

$6.$ i $=$ i $+2$;

$7.$ j$++$;

$8.\}$

cout $<<$ j $<<$ endl;

$1.$

$2.$

$3.$

$4.$

$0$

$12$

$13$

The code fragment displays no output because it does not compile.