跟谁学笔试20200905

import java.util.*; public class Demo35{ public static void main(String[] args){
        Scanner sc = new Scanner(System.in);  int[] arr=new int[100]; int i=0;  while(sc.hasNext()){
        arr[i]=sc.nextInt();  }  int target=sc.nextInt();  int index=searchInsert(arr,target);  System.out.println(index);  } public static int searchInsert(int[] nums, int target) {  int high = nums.length - 1;  int low = 0;  while ( low <= high ) {  int mid = (low + high )/2;  if ( target > nums[mid]) {
    low = mid + 1;  }else if ( target < nums[mid]) {
    high = mid - 1;  }else { return mid;  }
        }  return low;  }
}