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#include #include using namespace std; // PLACE YOUR NAME HERE const int MAXNAME = 20; int main() { ifstream inData; inData.open("grades.txt"); char name[MAXNAME + 1]; // holds student name float average; // holds student average inData.get(name,MAXNAME+1); while (inData) { inData >> average; // Fill in the code to print out name and // student average // Fill in the code to complete the while // loop so that the rest of the student // names and average are read in properly } return 0; }

#include #include using namespace std; // PLACE YOUR NAME HERE const int MAXNAME = 20; int main() { ifstream inData; inData.open("grades.txt"); char name[MAXNAME + 1]; // holds student name float average; // holds student average inData.get(name,MAXNAME+1); while (inData) { inData >> average; // Fill in the code to print out name and // student average // Fill in the code to complete the while // loop so that the rest of the student // names and average are read in properly } return 0; }

Database System Concepts
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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#include <fstream>

#include <iostream>

using namespace std;

// PLACE YOUR NAME HERE

const int MAXNAME = 20;

int main() {

ifstream inData;

inData.open("grades.txt");

char name[MAXNAME + 1]; // holds student name float average;

// holds student average

 

inData.get(name,MAXNAME+1);

while (inData)
{

inData >> average;

// Fill in the code to print out name and

// student average

// Fill in the code to complete the while

// loop so that the rest of the student

// names and average are read in properly

}

return 0; }

Using getline () & get() Exercise 1: Write a short program called readata.cpp that defines a character array last which contains 10 characters. Prompt the user to enter their last name using no more than 9 characters. The program should then read the name into last and then output the name back to the screen with an appropriate message. Do not use the getline () or get functions! Exercise 2: Once the program in Exercise 1 is complete, run the program and enter the name Newmanouskous at the prompt. What, if anything, happens? (Note that the results could vary depending on your system). Exercise 3: Re-write the program above using the getline () function (and only allowing 9 characters to be input). As before, use the character array last consisting of 10 elements. Run your new program and enter Newmanouskous at the prompt. What is the output? Exercise 4: Bring in program grades.cpp and grades.txt from the Lab 10 folder. Fill in the code in bold so that the data is properly read from grades.txt. and the desired output to the screen is as follows: OUTPUT TO SCREEN DATA FILE has a(n) 94 average has a(n) 91 average has a(n) 94 average has a(n) 91 average has a(n) 94 average has a(n) 98 average has a(n) 92 average has a(n) 99 average has a(n) 91 average has a(n) 97 average has a(n) 92 average has a(n) 83 average has a(n) 73 average Adara Starr Adara Starr 94 David Starr David Starr 91 Sophia Starr Maria Starr Sophia Starr 94 Maria Star 91 Danielle DeFino Danielle DeFino 94 Dominic DeFino Dominic DeFino 98 McKenna DeFino McKenna DeFino 92 Taylor McIntire Torrie McIntire Taylor McIntire Torrie McIntire 99 91 Emily Garrett Emily Garrett 97 Lauren Garrett Lauren Garrett 92 Marlene Starr Marlene Starr 83 Donald DeFino Donald DeFino 73
Transcribed Image Text:Using getline () & get() Exercise 1: Write a short program called readata.cpp that defines a character array last which contains 10 characters. Prompt the user to enter their last name using no more than 9 characters. The program should then read the name into last and then output the name back to the screen with an appropriate message. Do not use the getline () or get functions! Exercise 2: Once the program in Exercise 1 is complete, run the program and enter the name Newmanouskous at the prompt. What, if anything, happens? (Note that the results could vary depending on your system). Exercise 3: Re-write the program above using the getline () function (and only allowing 9 characters to be input). As before, use the character array last consisting of 10 elements. Run your new program and enter Newmanouskous at the prompt. What is the output? Exercise 4: Bring in program grades.cpp and grades.txt from the Lab 10 folder. Fill in the code in bold so that the data is properly read from grades.txt. and the desired output to the screen is as follows: OUTPUT TO SCREEN DATA FILE has a(n) 94 average has a(n) 91 average has a(n) 94 average has a(n) 91 average has a(n) 94 average has a(n) 98 average has a(n) 92 average has a(n) 99 average has a(n) 91 average has a(n) 97 average has a(n) 92 average has a(n) 83 average has a(n) 73 average Adara Starr Adara Starr 94 David Starr David Starr 91 Sophia Starr Maria Starr Sophia Starr 94 Maria Star 91 Danielle DeFino Danielle DeFino 94 Dominic DeFino Dominic DeFino 98 McKenna DeFino McKenna DeFino 92 Taylor McIntire Torrie McIntire Taylor McIntire Torrie McIntire 99 91 Emily Garrett Emily Garrett 97 Lauren Garrett Lauren Garrett 92 Marlene Starr Marlene Starr 83 Donald DeFino Donald DeFino 73
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