1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | public class Solution { public int search(int[] nums, int target) { int left = 0; int right = nums.length-1; while (left <= right){ int mid = (left+right)/2; if (nums[mid] == target) return mid; if (nums[mid] < nums[right]){ if(target > nums[mid] && target <= nums[right]){ left = mid + 1; }else{ right = mid-1; } }else{ if (target < nums[mid] && target >= nums[left]){ right = mid-1; }else{ left = mid+1; } } } return -1; } } |
Saturday, November 21, 2015
[leetcode] Search in rotated sorted array
唉。。想太复杂了,,其实就是看看那边sort掉的..然后判断target在不在那边,不在就扔到另一边继续找
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