要求输入n个整数,输出其中与平均值最接近的元素的值及下标,可是不知道...答:); printf("The suffix=%d, The value=%d\n",xb,a[xb]);。或者在getIndex中直接输出:在return xiabiao;前增加语句printf("The suffix=%d, The value=%d\n",xiabiao,a[xiabiao]);,并将主函数中的printf("%d\n",getIndex(a,n,getAvg(a,n)));一句改为getIndex(a,n,getAvg(...