Skip to content

Bug Report for find-target-in-rotated-sorted-array #3966

Closed
@jimmylin91

Description

@jimmylin91

Bug Report for https://neetcode.io/problems/find-target-in-rotated-sorted-array

Please describe the bug below and include any steps to reproduce the bug or screenshots if possible.

The test cases didn't consider the edge case as below.
The code I submitted can be accepted, but the algorithm cannot handle every edge case.
For example:
nums = [3, 5, 6, 0, 1, 2]
target = 5
The algorithm couldn't handle it, however, NeetCode accepted the code.

Image
Image

class Solution:
def search(self, nums: List[int], target: int) -> int:
l, r = 0, len(nums) - 1
result = -1

    while l <= r:
        if nums[l] == target:
            result = l
        elif nums[r] == target:
            result = r

        m = l + ((r - l) // 2)
        if nums[m] > target:
            if nums[r] > nums[m]:
                r = m - 1
            else:
                l = m + 1
        elif nums[m] < target:
            if nums[l] < nums[m]:
                l = m + 1
            else:
                r = m - 1
        else:
            result = m
            break

    return result

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions