mycode
class Solution(object):
def search(self, nums, target):
"""
:type nums: List[int]
:type target: int
:rtype: int
"""
if target in nums:
return nums.index(target)
else:
return -
参考:
二分查找
可以和34 Search for a Range对比思考,都是采用二分法哦!
class Solution:
# @param {integer[]} numss
# @param {integer} target
# @return {integer}
def search(self,nums,target):
if not nums:
return -
low,high=,len(nums)-
while low<=high:
mid=(low+high)/
if target==nums[mid]:
return mid
if nums[low]<=nums[mid]:
if nums[low]<=target<=nums[mid]:
high=mid-
else:
low=mid+
else:
if nums[mid]<=target<=nums[high]:
low=mid+
else:
high=mid-
return -