以下程序的输出结果是____?voidfun1(int,int,int);intmain(){inta[3]={1,2,3};fun1(a[0],a[1],a[2]);printf("%d%d%d",a[0],a[1],a[2]);return0;}voidfun1(intx,inty,intz){intt;t=x;x=z;z=t;}