$1//$ Ex$.7\mathrm{.}21$: Ex$07\_21.$cpp

$2//$ What does this program do$?$

$3$ #include

$4$ using namespace std;

$5$

$6$ void someFunction$($ int $[],$ int, int $)$; $//$ function prototype

$7$

$8$ int main$()$

$9\{$

$10$ const int arraySize $=10$;

$11$ int a$[$ arraySize $]=\{1,2,3,4,5,6,7,8,9,10\}$;

$12$

$13$ cout $<<$ "The values in the array are:" $<<$ endl;

$14$ someFunction$($ a$,0,$ arraySize $)$;

$15$ cout $<<$ endl;

$16\}//$ end main

$17$

$18//$ What does this function do$?$

$19$ void someFunction$($ int b$[],$ int current, int size $)$

$20\{$

$21$ if $($ current $<$ size $)$

$22\{$

$23$ someFunction$($ b$,$ current $+1,$ size $)$;

$24$ cout $<<$ b$[$ current $]<<""$;

$25\}//$ end if

$26\}//$ end function someFunction