Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found in the array, return [-1, -1]. You must write an algorithm with 0(log n) runtime complexity. Example 1: Input: nuns = [5,7,7,8,8,10], target = 8 Output: [3,4] Example 2: Input: nuns = [5,7,7,8,8,10], target = 6 Output: [-1,-1] Example 3: Input: nuns = [], target = 0 Output: [-1,-1] Constraints: • 0 <= nums.Length <= 105 • -10³ <= nums [1] <= 10⁹ nums is a non-decreasing array. -10 <= target <= 10³ .
Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found in the array, return [-1, -1]. You must write an algorithm with 0(log n) runtime complexity. Example 1: Input: nuns = [5,7,7,8,8,10], target = 8 Output: [3,4] Example 2: Input: nuns = [5,7,7,8,8,10], target = 6 Output: [-1,-1] Example 3: Input: nuns = [], target = 0 Output: [-1,-1] Constraints: • 0 <= nums.Length <= 105 • -10³ <= nums [1] <= 10⁹ nums is a non-decreasing array. -10 <= target <= 10³ .
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value.
If target is not found in the array, return [-1, -1].
You must write an algorithm with 0(log n) runtime complexity.
Example 1:
Input: nums = [5,7,7,8,8,10], target = 8
Output: [3,4]
Example 2:
Input: nums = [5,7,7,8,8,101, target = 6
Output: [-1,-1]
Example 3:
Input: nuns = [], target = 0
Output: [-1,-1]
Constraints:
• 0 <= nums.length <= 10³
-109 <= nums [1] <= 10⁹
nums is a non-decreasing array.
.
• -109 < target <= 109](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff528cbe5-8563-4fa3-8e30-57f8892c986e%2F2745ae13-1f71-4397-8375-16191b3a4462%2F4qv72mdj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value.
If target is not found in the array, return [-1, -1].
You must write an algorithm with 0(log n) runtime complexity.
Example 1:
Input: nums = [5,7,7,8,8,10], target = 8
Output: [3,4]
Example 2:
Input: nums = [5,7,7,8,8,101, target = 6
Output: [-1,-1]
Example 3:
Input: nuns = [], target = 0
Output: [-1,-1]
Constraints:
• 0 <= nums.length <= 10³
-109 <= nums [1] <= 10⁹
nums is a non-decreasing array.
.
• -109 < target <= 109
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