在一个环状的有序数组（即把数组看做首位相连，数组最小值和最大值在数组中某个位置相邻）中，使用二分查找寻找一个数是否在数组中，返回其下标。vc 2005环境-In an orderly array of ring (that is, as the first connected to the array, an array of minimum and maximum in the array adjacent to a location), the use of binary search to find a few in the array, returning to its subscr ipt. vc 2005 Environment