Using functions to generate a specific output

veryConfused (5)
1. How do I fix the following code to print the mark per subject with it's corresponding symbol and code on separate lines?

2. How do i fix the code to print distinction details per subject?

3. How do I create a function to display the output data?

4. How can I neaten / shorten the code?

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#include
using namespace std;

void studentDetails(string & nameP, string & surnameP, string & schoolNameP)
{
cout << "Enter name: ";
cin >> nameP;
cout << "Enter surname: ";
cin >> surnameP;
cout << "Enter the name of the school: ";
cin >> schoolNameP;
}

void getMarks(float & engP, float & mathP, float & life_orientP, float & histP, float & comp_litP, float & artP)
{
cout << "Enter your mark for English: ";
cin >> engP;
if (engP < 0 || engP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> engP;
} while (engP < 0 || engP > 100);
cout << "Enter your mark for Mathematics: ";
cin >> mathP;
if (mathP < 0 || mathP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> mathP;
} while (mathP < 0 || mathP > 100);
cout << "Enter your mark for Life Orientation: ";
cin >> life_orientP;
if (life_orientP < 0 || life_orientP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> life_orientP;
} while (life_orientP < 0 || life_orientP > 100);
cout << "Enter your mark for History: ";
cin >> histP;
if (histP < 0 || histP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> histP;
} while (histP < 0 || histP > 100);
cout << "Enter your mark for Computer Literacy: ";
cin >> comp_litP;
if (comp_litP < 0 || comp_litP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> comp_litP;
} while (comp_litP < 0 || comp_litP > 100);
cout << "Enter your mark for Art: ";
cin >> artP;
if (artP < 0 || artP > 100)
do
{
cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
cin >> artP;
} while (artP < 0 || artP > 100);
}

void awardDistinction(float & engP, float & mathP, float & life_orientP, float & histP, float & comp_litP, float & artP)
{
if ((engP + mathP + life_orientP + histP + comp_litP + artP) / 6 >= 75)
{
cout << "Passed with distinction" << endl;
}
else if (engP >= 75)
{
cout << "Subject distinction = English" << endl;
}
else if (mathP >= 75)
{
cout << "Subject distinction = Mathematics" << endl;
}
else if (life_orientP >= 75)
{
cout << "Subject distinction = Life Orientation" << endl;
}
else if (histP >= 75)
{
cout << "Subject distinction = History" << endl;
}
else if (comp_litP >= 75)
{
cout << "Subject distinction = Computer Literacy" << endl;
}
else if (artP >= 75)
{
cout << "Subject distinction = Art" << endl;
}

return;
}

void codeSymbol(float & engP, float & mathP, float & life_orientP, float & histP, float & comp_litP, float & artP, float & averageP, string & symbolP, int & codeP)
{
averageP = (engP + mathP + life_orientP + histP + comp_litP + artP) / 6;
if (engP >= 0 && engP <= 29 || mathP >= 0 && mathP <= 29 || life_orientP >= 0 && life_orientP <= 29 ||
histP >= 0 && histP <= 29 || comp_litP >= 0 && comp_litP <= 29 || artP >= 0 && artP <= 29 || averageP >= 0 && averageP <= 29)
{
symbolP = "FF";
codeP = 1;
cout << engP << '\t' << symbolP << '\t' << codeP << endl;
}
else if (engP >= 30 && engP <= 39 || mathP >= 30 && mathP <= 39 || life_orientP >= 30 && life_orientP <= 39 ||
histP >= 30 && histP <= 39 || comp_litP >= 30 && comp_litP <= 39 || artP >= 30 && artP <= 39 || averageP >= 30 && averageP <= 39)
{
symbolP = "F";
codeP = 2;
}
else if (engP >= 40 && engP <= 49 || mathP >= 40 && mathP <= 49 || life_orientP >= 40 && life_orientP <= 49 ||
histP >= 40 && histP <= 49 || comp_litP >= 40 && comp_litP <= 49 || artP >= 40 && artP <= 49 || averageP >= 40 && averageP <= 49)
{
symbolP = "E";
codeP = 3;
}
else if (engP >= 50 && engP <= 59 || mathP >= 50 && mathP <= 59 || life_orientP >= 50 && life_orientP <= 59 ||
histP >= 50 && histP <= 59 || comp_litP >= 50 && comp_litP <= 59 || artP >= 50 && artP <= 59 || averageP >= 50 && averageP <= 59)
{
symbolP = "D";
codeP = 4;
}
else if (engP >= 60 && engP <= 69 || mathP >= 60 && mathP <= 69 || life_orientP >= 60 && life_orientP <= 69 ||
histP >= 60 && histP <= 69 || comp_litP >= 60 && comp_litP <= 69 || artP >= 60 && artP <= 69 || averageP >= 60 && averageP <= 69)
{
symbolP = "C";
codeP = 5;
}
else if (engP >= 70 && engP <= 79 || mathP >= 70 && mathP <= 79 || life_orientP >= 70 && life_orientP <= 79 ||
histP >= 70 && histP <= 79 || comp_litP >= 70 && comp_litP <= 79 || artP >= 70 && artP <= 79 || averageP >= 70 && averageP <= 79)
{
symbolP = "B";
codeP = 6;
}
else if (engP >= 80 && engP <= 100 || mathP >= 80 && mathP <= 100 || life_orientP >= 80 && life_orientP <= 100 ||
histP >= 80 && histP <= 100 || comp_litP >= 80 && comp_litP <= 100 || artP >= 80 && artP <= 100 || averageP >= 80 && averageP <= 100)
{
symbolP = "A";
codeP = 7;
}

return;
}

int main( )
{
string name, surname, schoolName, outcome;
float eng, math, life_orient, hist, comp_lit, art, average;
float maximum = 1;
float minimum = 0;
int code;
string symbol;
string english = "English";
string mathematics = "Mathematics";
string life_orientation = "Life Orientation";
string history = "History";
string computer_literacy = "Computer Literacy";
string art1 = "Art";

studentDetails(name, surname, schoolName);

getMarks(eng, math, life_orient, hist, comp_lit, art);

average = calcAverageYearMark(eng, math, life_orient, hist, comp_lit, art);

minMax(eng, math, life_orient, hist, comp_lit, art, minimum, maximum);

passOrFail(eng, math, life_orient, hist, comp_lit, art, outcome);

awardDistinction(eng, math, life_orient, hist, comp_lit, art);

codeSymbol(eng, math, life_orient, hist, comp_lit, art, symbol, code);

cout << "***************************************************************************************************" << endl;
cout << "**************************************STUDENT ACADEMIC REPORT**************************************" << endl;
cout << "This program inputs the learner marks of matric level subjects and prints the students final report" << endl;
cout << "Name: " << name << " " << surname << "               School: " << schoolName << endl;
cout << "Subject\tMark\tSymbol\tCode" << endl;
cout << english << '\t' << eng << '\t' << symbol << '\t' << code << endl;
cout << mathematics << '\t' << math << '\t' << symbol << '\t' << code << endl;
cout << "Average year mark: " << average << " with Symbol " << symbol << " and Code " << code << endl;
cout << "Outcome: " << outcome << endl;
cout << "The highest mark was " << maximum << "%" << endl;
cout << "The lowest mark was " << minimum << "%" << endl;
cout << "***************************************************************************************************" << endl;


return 0;
}


Last edited on
salem c (3715)
Please edit for readability.
https://www.cplusplus.com/articles/jEywvCM9/
veryConfused (5)
I apologise, brand new to this
Manga (1031)
There is still a lot of work to do on this program. But here is something to get you going...

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#include <iostream>
#include <string>

using namespace std;

void studentDetails(string& nameP, string& surnameP, string& schoolNameP)
{
	cout << "Enter name: ";
	cin >> nameP;
	cout << "Enter surname: ";
	cin >> surnameP;
	cout << "Enter the name of the school: ";
	cin >> schoolNameP;
}

void getMarks(float& engP, float& mathP, float& life_orientP, float& histP, float& comp_litP, float& artP)
{
	cout << "Enter your mark for English: ";
	cin >> engP;
	if (engP < 0 || engP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> engP;
		} while (engP < 0 || engP > 100);
	}
	cout << "Enter your mark for Mathematics: ";
	cin >> mathP;
	if (mathP < 0 || mathP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> mathP;
		} while (mathP < 0 || mathP > 100);
	}
	cout << "Enter your mark for Life Orientation: ";
	cin >> life_orientP;
	if (life_orientP < 0 || life_orientP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> life_orientP;
		} while (life_orientP < 0 || life_orientP > 100);
	}
	cout << "Enter your mark for History: ";
	cin >> histP;
	if (histP < 0 || histP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> histP;
		} while (histP < 0 || histP > 100);
	}
	cout << "Enter your mark for Computer Literacy: ";
	cin >> comp_litP;
	if (comp_litP < 0 || comp_litP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> comp_litP;
		} while (comp_litP < 0 || comp_litP > 100);
	}
	cout << "Enter your mark for Art: ";
	cin >> artP;
	if (artP < 0 || artP > 100) {
		do
		{
			cout << "Value cannot be less than 0 or greater than 100. Enter again: ";
			cin >> artP;
		} while (artP < 0 || artP > 100);
	}
}

void awardDistinction(float& engP, float& mathP, float& life_orientP, float& histP, float& comp_litP, float& artP)
{
	if ((engP + mathP + life_orientP + histP + comp_litP + artP) / 6 >= 75)
	{
		cout << "Passed with distinction" << endl;
	}
	else {
		if (engP >= 75)
		{
			cout << "Subject distinction = English" << endl;
		}
		if (mathP >= 75)
		{
			cout << "Subject distinction = Mathematics" << endl;
		}
		if (life_orientP >= 75)
		{
			cout << "Subject distinction = Life Orientation" << endl;
		}
		if (histP >= 75)
		{
			cout << "Subject distinction = History" << endl;
		}
		if (comp_litP >= 75)
		{
			cout << "Subject distinction = Computer Literacy" << endl;
		}
		if (artP >= 75)
		{
			cout << "Subject distinction = Art" << endl;
		}
	}
}

void calcAverageYearMark(float& engP, float& mathP, float& life_orientP, float& histP, float& comp_litP, float& artP, float& averageP) {
	averageP = (engP + mathP + life_orientP + histP + comp_litP + artP) / 6;
}

void codeSymbol(float subject, string & symbol, int& code) {
	if (subject <= 29) {
		symbol = "FF";
		code = 1;
	}
	else if (subject >= 30 && subject <= 39) {
		symbol = "F";
		code = 2;
	}
	else if (subject >= 40 && subject <= 49) {
		symbol = "E";
		code = 3;
	}
	else if (subject >= 50 && subject <= 59) {
		symbol = "D";
		code = 4;
	}
	else if (subject >= 60 && subject <= 69) {
		symbol = "C";
		code = 5;
	}
	else if (subject >= 70 && subject <= 79) {
		symbol = "B";
		code = 6;
	}
	else if (subject >= 80 && subject <= 100) {
		symbol = "A";
		code = 7;
	}
}

void display(float eng, float math, float life_orient, float hist, 
			float comp_lit, float art, float average, string& symbol, 
			int& code, string outcome, float maximum, float minimum, string name, string surname, string schoolName) {
	cout << "***************************************************************************************************" << endl;
	cout << "**************************************STUDENT ACADEMIC REPORT**************************************" << endl;
	cout << "This program inputs the learner marks of matric level subjects and prints the students final report" << endl;
	cout << "Name: " << name << " " << surname << " School: " << schoolName << endl;
	cout << "Subject\tMark\tSymbol\tCode" << endl;
	codeSymbol(eng, symbol, code);
	cout << "English" << '\t' << eng << '\t' << symbol << '\t' << code << endl;
	codeSymbol(math, symbol, code);
	cout << "Mathematics" << '\t' << math << '\t' << symbol << '\t' << code << endl;
	codeSymbol(average, symbol, code);
	cout << "Average year mark: " << average << " with Symbol " << symbol << " and Code " << code << endl;
	cout << "Outcome: " << outcome << endl;
	cout << "The highest mark was " << maximum << "%" << endl;
	cout << "The lowest mark was " << minimum << "%" << endl;
	cout << "***************************************************************************************************" << endl;

}


int main()
{
	string name, surname, schoolName, outcome;
	float eng, math, life_orient, hist, comp_lit, art, average;
	float maximum = 1;
	float minimum = 0;
	int code;
	string symbol;


	studentDetails(name, surname, schoolName);

	getMarks(eng, math, life_orient, hist, comp_lit, art);

	calcAverageYearMark(eng, math, life_orient, hist, comp_lit, art, average);

	//minMax(eng, math, life_orient, hist, comp_lit, art, minimum, maximum);

	//passOrFail(eng, math, life_orient, hist, comp_lit, art, outcome);

	awardDistinction(eng, math, life_orient, hist, comp_lit, art);


	display(eng, math, life_orient, hist, comp_lit, art, average, symbol, code, outcome, maximum, minimum, name, surname, schoolName);


	return 0;
}
veryConfused (5)
Thank you, this helps a lot.
How do I get the subject, mark, symbol and code aligned correctly? They should be in columns.
jonnin (11495)
a common way is to use tabs, the '\t' character:
cout << word << '\t' << word2 << …
you can also work with the <iomanip> tools, esp for numbers.
Last edited on
veryConfused (5)
How do you use the std::setw with more than one variable in a cout statement?
AbstractionAnon (6954)
How do you use the std::setw with more than one variable in a cout statement?

Use setw() multiple times. 

 
 
cout << setw(5) << a << setw(3) << b << endl;
veryConfused (5)
Thank you! You guys are wonderful people!
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