C语言编程:已知一个长度为10的一维数组arr,编写函数,求出第m个数...答:int arr[10]={NULL};int i,num,m,n;printf("请输入十个数:\n");for(i=0;i<10;i++)scanf("%d",(arr+i));printf("请输入m: ");scanf("%d",&m);printf("请输入n: ");scanf("%d",&n);num=getTotal(arr,m-1,n-1);printf("result = %d",num);} ...