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The file contains students' IDs, names, and scores. Count how many students there are and create three arrays dynamically. And then read the file again and fill the arrays with the student's information. Print out the best score and print out information of students who has the best score.

The file contains students' IDs, names, and scores. Count how many students there are and create three arrays dynamically. And then read the file again and fill the arrays with the student's information. Print out the best score and print out information of students who has the best score.

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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student.txt 108927 Alice 80 101981 Paul 92 102888 Cindy 86 100738 Robert 70 100892 Ruth 89 102893 John 91 109189 Tammy 95 107182 Jenny 72 106627 Amy 95 102930 Brian 77 108992 Hailey 71 109281 Jake 88 104244 Sandy 69 105566 Chris 95 102871 Angel 82 107889 Sue 93 0 id 108927 0 name Alice 0 score 80 1 101981 1 Paul 1 92 ****** ****** Output 15 107889 15 Sue 15 93 Enter filename: student. txt Students List 108927 Alice 80 101981 Paul 92 102888 100738 100892 102893 109189 107182 106627 102930 108992 Cindy 86 Robert 70 Ruth 89 91 John Tammy 95 Jenny 72 Amy 95 Brian 77 Hailey 71 Jake 88 69 Chris 95 Angel 82 Sue 93 109281 104244 Sandy 105566 102871 107889 *** Max score : 95 Students with max score 109189 Tammy 95 106627 105566 Amy 95 Chris 95
Transcribed Image Text:student.txt 108927 Alice 80 101981 Paul 92 102888 Cindy 86 100738 Robert 70 100892 Ruth 89 102893 John 91 109189 Tammy 95 107182 Jenny 72 106627 Amy 95 102930 Brian 77 108992 Hailey 71 109281 Jake 88 104244 Sandy 69 105566 Chris 95 102871 Angel 82 107889 Sue 93 0 id 108927 0 name Alice 0 score 80 1 101981 1 Paul 1 92 ****** ****** Output 15 107889 15 Sue 15 93 Enter filename: student. txt Students List 108927 Alice 80 101981 Paul 92 102888 100738 100892 102893 109189 107182 106627 102930 108992 Cindy 86 Robert 70 Ruth 89 91 John Tammy 95 Jenny 72 Amy 95 Brian 77 Hailey 71 Jake 88 69 Chris 95 Angel 82 Sue 93 109281 104244 Sandy 105566 102871 107889 *** Max score : 95 Students with max score 109189 Tammy 95 106627 105566 Amy 95 Chris 95
The file contains students' IDs, names, and scores. Count how many students there are and create three arrays dynamically. And then read the file again and fill the arrays with the student's information. Print out the best score and print out information of students who has the best score.
Transcribed Image Text:The file contains students' IDs, names, and scores. Count how many students there are and create three arrays dynamically. And then read the file again and fill the arrays with the student's information. Print out the best score and print out information of students who has the best score.
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#include <iostream> #include <fstream> #include <iomanip> #include <string> using namespace std; // four function declarations int main() { int id nullptr; string* name = nullptr; int* score = nullptr; char filename [20]; cout<<"Enter filename: "; // id array // name array // score array cin>> filename; int count = readDataFromFile(filename, &id, &name, &score); cout << "count : " << count << endl; printData(id, name, score, count); int max; findMax (score, &max, count); printMaxList (id, name, score, count, max); return 0; Enter filename: student. txt Students List 108927 101981 102888 100738 100892 102893 109189 107182 106627 102930 108992 109281 104244 105566 102871 107889 Alice 80 Paul 92 86 70 Ruth 89 John 91 Tammy 95 Jenny 72 Amy 95 77 71 Cindy Robert Brian Hailey Jake 88 69 95 Sandy Chris Angel 82 Sue 93 *** Max score : 95 Students with max score 109189 95 } 106627 95 // four function definitions (readDataFromFile, printData, findMax, printMaxList) 105566 Chris 95 Tammy Amy
Transcribed Image Text:#include <iostream> #include <fstream> #include <iomanip> #include <string> using namespace std; // four function declarations int main() { int id nullptr; string* name = nullptr; int* score = nullptr; char filename [20]; cout<<"Enter filename: "; // id array // name array // score array cin>> filename; int count = readDataFromFile(filename, &id, &name, &score); cout << "count : " << count << endl; printData(id, name, score, count); int max; findMax (score, &max, count); printMaxList (id, name, score, count, max); return 0; Enter filename: student. txt Students List 108927 101981 102888 100738 100892 102893 109189 107182 106627 102930 108992 109281 104244 105566 102871 107889 Alice 80 Paul 92 86 70 Ruth 89 John 91 Tammy 95 Jenny 72 Amy 95 77 71 Cindy Robert Brian Hailey Jake 88 69 95 Sandy Chris Angel 82 Sue 93 *** Max score : 95 Students with max score 109189 95 } 106627 95 // four function definitions (readDataFromFile, printData, findMax, printMaxList) 105566 Chris 95 Tammy Amy
Rewrite the problem 1 code using four functions. You are not allowed to change the main function. You should print out the same result with four functions.
Transcribed Image Text:Rewrite the problem 1 code using four functions. You are not allowed to change the main function. You should print out the same result with four functions.
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