Python Given an array of integers and an integer target. Write a brute force algorithm that return true if there are two numbers in that array that sums to target. If there are no pair of numbers that sum to target, return false. Show the time complexity of the algorithm.

Python Given an array of integers and an integer target. Write a brute force algorithm that return true if there are two numbers in that array that sums to target. If there are no pair of numbers that sum to target, return false. Show the time complexity of the algorithm.

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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Concept explainers

Counting sort

The counting sort algorithm sorts an array’s contents by counting the repetition of each element that occurs in the array. A counting sort algorithm is a stable algorithm that works the best when the range of elements in the array is small, say for example from 0 to 9. The count which is the number of repetitions of an element in the array is mapped to an index of an auxiliary array, which is then saved in an auxiliary array. The counting sort algorithm has a stable time complexity of the order of O(size of array + size of auxiliary array). Let’s discuss the algorithm in detail as follows.

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Python
Given an array of integers and an integer target. Write a brute force algorithm that return true
if there are two numbers in that array that sums to target. If there are no pair of numbers that
sum to target, return false. Show the time complexity of the algorithm.

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