Answered: 2. a. Design the logic for a program…

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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Question

2. a. Design the logic for a program that allows a user to enter 20 numbers, then displays each number and its difference from the numeric average of the numbers entered.

b. Modify the program in Exercise 2a so that the user can enter any amount of numbers up to 20 until a sentinel value is entered.

Write the c++ and pseudocode for each program

// Pseudocode PLD Chapter 6 #2a & 2b, pg. 267
// Start
// Declarations
// num SIZE = 12
// num numbers[SIZE]
// num value = 0
// num counter = 0
// num total = 0
// num average = 0
// num diffFromAvg = 0
// num SENTINEL = -1
//
// output "Please enter a positive number: "
// input value
// while ((counter < SIZE) AND (value <> SENTINEL) )
// total = total + value
// numbers[counter] = value
// counter = counter + 1
// if (counter <> SIZE)
// output "Please enter a positive number: "
// input value
// endif
// endwhile
//
// if (counter > 0) then
// average = total/counter
// for i = 0 to counter - 1
// diffFromAvg = numbers[i] - average
// output "Number[",i,"]: ",numbers[i]," Difference from Average is
",diffFromAvg
// endfor
// else
// output "Processing incomplete. No values in the array."
// endif
// Stop

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