运行程序,输入4,写出程序的输出结果。 #include <stdio.h> int search(int a[10],int m) { int x1=0,x2=9,mid; while (x1<=x2) { mid="(x1+x2)/2;" if (m x2="mid-1;" else> a[mid]) x1=mid+1; else return (mid); } return (-1); } int main() { int A[10]={1,2,3,4,5,6,7,8,9,10}, b; scanf("%d",&b); printf("%d",search(A,b)); return 0; }