Question: Design an algorithm for this problem with worst-case runtime of O(n). Problem 3. Given an array A[1 : n] of n positive integers (possibly with repetitions), your goal is to findwhether there is a sub-array A[l : r] such thatEAli) = n.i=lExample. Given A =up to n = 10. On the other hand, if the input array is A = [3, 2, 6, 8, 20, 2, 4| for n = 7, the answer is Nosince no sub-array of A adds up to n = 7.[13, 1, 2, 3, 4, 7, 2, 3, 8,9] for n = 10, the answer is Yes since elements in A[2 : 5] addHint: Observe that if - A[i] = n, then A[i] = E-1 A[i] -- n; this may come handy!

Answer: Algorithm: Positive Integers: start import header files using namespace std declare method…

Problem 3. Given an array A[1 : n] of n positive integers (possibly with repetitions), your goal is to find whether there is a sub-array A[l : r] such that = n. i=l Example. Given A = up to n = 10. On the other hand, if the input array is A = [3, 2, 6, 8, 20, 2, 4] for n = 7, the answer is No since no sub-array of A adds up to n = 7. [13, 1, 2, 3, 4, 7, 2, 3, 8, 9] for n = 10, the answer is Yes since elements in A[2 : 5] add Hint: Observe that if - A[i] = n, then A[i] = E=1 A[i] – n; this may come handy!

Problem 3. Given an array A[1 : n] of n positive integers (possibly with repetitions), your goal is to find whether there is a sub-array A[l : r] such that = n. i=l Example. Given A = up to n = 10. On the other hand, if the input array is A = [3, 2, 6, 8, 20, 2, 4] for n = 7, the answer is No since no sub-array of A adds up to n = 7. [13, 1, 2, 3, 4, 7, 2, 3, 8, 9] for n = 10, the answer is Yes since elements in A[2 : 5] add Hint: Observe that if - A[i] = n, then A[i] = E=1 A[i] – n; this may come handy!

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

Random Variables

A random variable Z is a real valued function of the type Z: S → R on a sample space S. That means the function assigns a real number to every primitive event in the sample space. In other words, a random variable is a function mapping a sample space S to a set of real numbers R.

Question

Question: Design an algorithm for this problem with worst-case runtime of O(n).

Problem 3. Given an array A[1 : n] of n positive integers (possibly with repetitions), your goal is to find
whether there is a sub-array A[l : r] such that
EAli) = n.
i=l
Example. Given A =
up to n = 10. On the other hand, if the input array is A = [3, 2, 6, 8, 20, 2, 4| for n = 7, the answer is No
since no sub-array of A adds up to n = 7.
[13, 1, 2, 3, 4, 7, 2, 3, 8,9] for n = 10, the answer is Yes since elements in A[2 : 5] add
Hint: Observe that if - A[i] = n, then A[i] = E-1 A[i] -
- n; this may come handy!

Process or set of rules that allow for the solving of specific, well-defined computational problems through a specific series of commands. This topic is fundamental in computer science, especially with regard to artificial intelligence, databases, graphics, networking, operating systems, and security.

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