Hackerrank C++ ---- Pointer
#include < stdio.h > #include< stdlib.h > void update ( int * a , int * b ) { // Complete this function int tmp ; tmp =* a +* b ; * b = abs (* a -* b ); * a = tmp ; } int main () { int a , b ; int * pa = & a , * pb = & b ; scanf ( "%d %d" ,& a ,& b ); update ( pa , pb ); printf ( "%d\n%d" , a , b ); return 0 ; }