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