binary search - leetcode 33. Search in Rotated Sorted Array
1.QuestionSupposeanarraysortedinascendingorderisrotatedatsomepivotunknowntoyoubeforehand.(i.e.,[0,1,2,4,5,6,7]mightbecome[4,5,6,7,0,1,2]).Youaregivenatargetvaluetosearch.Iffoundinthearrayreturnitsinde