int joneResult(int x, int y,int z)
{int sum = (x+y+z)/3;
return sum;
}void jackResult(int x,int y,int z)
{
printf("我算不出来");
}
int main()
int a=10, b=20, c=30;
int jR=joneResult(a,b,c);
printf("Jone运算结果是：%d\n",jR);
printf("Jack运算结果是：");
jackResult (a,b,c);
}
