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#include <iostream>
#include <fstream>
using namespace std;
//function prototypes
void displayHeading();
int displayMenu(/*out*/int);
void readNumbers(/*out*/double [],/*in*/ int);
void readFile(/*out*/double [],/*in*/ int);
void printAllScores(/*in*/const double[],/*in*/ int);
void printHighest(/*in*/ const double[],/*in*/ int);
void printLowest(/*in*/ const double[],/*in*/ int);
void printAverage(/*in*/ const double[],/*in*/ int);
void printOneNumber(/*in*/ const double[],/*in*/ int);
void evaluateChoice(/*in*/ int,/*in*/ double[],/*in*/ int);
void quitProgram();
int main(){
int choice;
const int numScores =10;
double userscore[numScores],
total,
lowesetScore,
average;
displayHeading();
displayMenu(choice);
while (choice !=8){
evaluateChoice(choice, userscore, numScores);
displayMenu(choice);
}
quitProgram();
return 0;
}
void displayHeading(){
cout <<" ---------------------------------------------------"<<endl;
cout <<"1-D ARRAY PROCESSING MENU OPTIONS\n";
cout <<"---------------------------------------------------\n";
}
int displayMenu(/*out*/ int choice)
{
cout <<"1. Read in 10 scores from user.\n";
cout <<"2. Read in 10 scores from the file, scores.txt.\n";
cout <<"3. Print all scores.\n";
cout <<"4. Print the highest score.\n";
cout <<"5. Print the lowest score.\n";
cout <<"6. Print the average score.\n";
cout <<"7. Print one score (give its entry number)\n";
cout <<"8. Quit program\n";
cin >> choice;
return choice;
}
void readNumbers(/*out*/double userscore[],/*in*/ const int numScores){
int count;
for ( count =0; count < numScores-1; count++) {
cout <<"Enter score #" <<(count +1) << ": ";
cin >>userscore[count];
}
}
void evaluateChoice(/*in*/ int choice,/*in*/ double userscore[],/*in*/ const int numScores){
switch (choice) {
case 1:
cout <<"testing\n";
readNumbers(userscore,numScores);
break;
case 2:
readFile(userscore, numScores);
break;
case 3:
printAllScores(userscore,numScores);
break;
case 4:
printHighest(userscore, numScores);
break;
case 5:
printLowest(userscore, numScores);
break;
case 6:
printAverage(userscore, numScores);
break;
case 7:
printOneNumber(userscore, numScores);
break;
default : cout << "Invalid entry. Please pick an appropriate menu number.\n";
}
}
void readFile(/*out*/ double userscore[],/*in*/ const int numScores){
string filename;
ifstream inFile;
cout <<"Please enter filename: ";
cin >>filename;
if (filename == "scores.txt"){
inFile.open(filename.c_str());
for(int count = 0; count < numScores; count++)
inFile>> userscore[count];
cout <<"File has successfully opened and 10 scores have been read.\n";
cout <<"Please select the print all scores menu option to view the scores.\n";
if (!inFile)
{
cout << "File error." << endl;
}
}
else
cout <<"File not found. Please retype the file." << endl;
cin >>filename;
inFile.close();
}
void printAllScores(/*in*/const double array1[], /*in*/const int numScores){
int count;
cout<<"Here are your scores:"<<endl;
for (count =0; count <numScores-1; count++){
cout <<" Score #"<<count +1;
cout << ": " <<array1[count]<<endl;
}
}
void quitProgram(){
cout <<"Now exiting the program."<<endl;
exit(0);
}
void printHighest(/*in*/ double userscore[],/*in*/ const int numScores){
int highest;
highest = userscore[9];
for (int i = 0; i < numScores; i++) {
if (highest > userscore[i]){
highest = userscore[i];
}
}
cout <<"The highest score is "<<highest<<endl;
}
void printLowest(/*in*/ double userscore[],/*in*/ const int numScores){
int lowest = userscore[9];
for (int i = 0; i < numScores; i++) {
if (lowest < userscore[i]){
lowest = userscore[i];
}
}
cout <<"The lowest score is "<<lowest<<endl;
}
void printAverage(/*in*/double userscore[],/*in*/ const int numScores){
int sum = 0;
for (int count = 0; count < numScores; count++) {
sum = sum + userscore[count];
}
int average = sum / numScores;
cout <<"The average score is "<<average<<endl;
}
void printOneNumber(/*in*/double userscore[],/*in*/ const int numScores){
int userRow;
cout <<"Please enter entry or row # of score you want: \n";
cin >>userRow;
cout <<"Entry #"<<userRow<<" ";
cout <<"Score: "<<userscore[userRow]<<endl;
cout <<"Score statistics: ";
}[code][code][code]
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