搜索旋转排序数组

/*
搜索旋转排序数组--二分查找。
*/
#include<stdio.h>
#include<malloc.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<string.h>
#include <iostream>
int search(int* nums, int numsSize, int target){
    if(numsSize<=0){
        return -1;
    }
    int left=0,right=numsSize-1,mid;
    while(left<=right){
        mid=(left+right)/2;
        if(nums[mid]==target){
            return mid;
        }
        if(nums[left]<=nums[mid]){
            if(nums[left]<=target&&target<=nums[mid]){
                right=mid-1;
            }else{
                left=mid+1;
            }
        }else{
            if(nums[mid]<=target&&target<=nums[right]){
                left=mid+1;
            }else{
                right=mid-1;
            }
        }
    }
    return -1;
}


int main()
{
    int nums[]={4,5,6,7,0,1,2},target=0;
    int rs=search(nums,7,target);
    printf("%d\n",rs);
    return 0;
}