Consider a comma-separated file that contains student names and scores such as the following: Jane Lee, 100, 98, 97, 100 Aaron X. Schmidt, 37, 42, 49, 54 Frank von Tardy, 2, 3, 10, 7 We can read the file one line at a time and use an istringstream object to process the scores. To get the position of the first comma, simply read words from the input stream until the word ends with a comma. Then, read and sum the numbers remaining on the line. Use get to remove the commas following each number. Rearrange the lines below to compute the total score for a single student. Assume that each student has at least one score.

Consider a comma-separated file that contains student names and scores such as the following: Jane Lee, 100, 98, 97, 100 Aaron X. Schmidt, 37, 42, 49, 54 Frank von Tardy, 2, 3, 10, 7 We can read the file one line at a time and use an istringstream object to process the scores. To get the position of the first comma, simply read words from the input stream until the word ends with a comma. Then, read and sum the numbers remaining on the line. Use get to remove the commas following each number. Rearrange the lines below to compute the total score for a single student. Assume that each student has at least one score.

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

Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.

Question

C++

Consider a comma-separated file that contains student names and scores such as the following:
Jane Lee, 100, 98, 97, 100
Aaron X. Schmidt, 37, 42, 49, 54
Frank von Tardy, 2, 3, 10, 7
We can read the file one line at a time and use an istringstream object to process the scores. To get the position of the first comma, simply read words from the input stream until the word ends with a comma. Then, read and sum the numbers remaining on the line. Use
get to remove the commas following each number.
Rearrange the lines below to compute the total score for a single student. Assume that each student has at least one score.

Unused
}
char ch;
in.get(ch);
}
while (word [word.size()-1] != ',')
in >> word;
in >> word;
while (getline(in_file, line))
in.str(line);
{
total total + score;
total = 0;
istringstream in;
{
while (in >> score)
{
main.cpp
#include <iostream>
#include <fstream>
#include <sstream>
using namespace std;
int main()
{
}
V
ifstream in_file;
in_file.open("scores.txt");
string line;
int total;
int score;
string word;
cout << "Total score:
}
return 0;
Load default template...
<< total << endl;

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