#include?<stdio.h>
???joneResult(int?x,?int?y,?int?z)
{
???int?sum?=?x+y+z;
???return?sum/3;??????????
}
??void?jackResult(int?x,?int?y,?int?z)
{
????printf("我算不出來\n");
????
}
int?main()
{
????int?a,?b,?c;
????a?=?10;
????b?=?20;
????c?=?30;
?
????int?jR?=?joneResult(a,?b,?c);?
????printf("Jone運算結果是：%d\n",jR);
????printf("jack運算結果是:");
????jackResult(a,b,c);
????return?0;
}