class Solution {
public:
int search(vector<int>& nums, int target) {
return rotate_search(nums,0,nums.size()-1,target);
}
int rotate_search(vector<int>& nums,int l,int r, int target){
int left=l;
int right=r;
int mid = (left + right)/2;
if(left > right) return -1;
if(left == right) return target==nums[mid]?right:-1;
if(nums[mid] >= nums[left]){
{ cout<<"1"<<left<<" "<<mid;
int temp =binary_search(nums,left, mid, target);
if(temp != -1)
return temp;
}
{cout<<"2";return rotate_search(nums,mid+1,right,target); }
}
else{
{ cout<<"3:"<<mid<<" "<<right;
int temp =binary_search(nums, mid, right, target);
if(temp != -1)
return temp;
}
{ cout<<"4";return rotate_search(nums,left,mid-1,target); }
}
return -1;
}
int binary_search(vector<int>& nums,int l,int r, int target){
int left=l;
int right=r;
int mid; mid = (left + right)/2;
if(left > right) return -1;
if(left == right) return nums[mid]==target?left:-1;
if(nums[mid] == target) return mid;
else if(nums[mid] < target) return binary_search(nums,mid+1,r,target);
return binary_search(nums,l,mid-1,target);
}
};