Question

Please can someone check that program and compile them (send the picture of the runing window)

A-squareprogram

#include <iostream>
using namespace std;

void squareProgram()
{
int length;
int area;
int perimeter;

cout << "\n\nWhat is the side length of your square: ";
cin >> length;

area = (length * length);
perimeter = (length * 4);

cout << "\n\nYou have a square with a perimeter of " << perimeter << " units and an area of " << area << " sq. units!\n";
return;
}

B-Insurance program

#include <iostream>

void insuranceProgram()
{
int age;

cout << "\n\nWhat is your age (in years): ";
cin >> age;

if ( age < 35 )
{
cout << "\n\n Your quoted insurance rate is 2.23 per hundred.\n";
} else {
cout << "\n\n Your quoted insurance rate is 4.32 per hundred.\n";
}
return;
}

C -Grades program

#include <iostream>

void gradesProgram()
{
int grade;

cout << "\n\nWhat is your grade: ";
cin >> grade;

if (grade >= 90) {
cout << "\n\nYou earned an A, way to go!\n";
} else if ( grade >= 80 )
{
cout << "\n\nYou earned a B, solid work!\n";
} else if ( grade >= 70 )
{
cout << "\n\nYou earned a C, decent job.\n";
} else if ( grade >= 60 )
{
cout << "\n\nYou earned a D, not your best effort.\n";
} else {
cout << "\n\nYou earned an F, you need to hit the books.\n";
}
return;
}

Answer 1

It is a build failed in Xcode because you have not defined the main function without that there is no entry point for the function which results in build failure.

HomeworkLibMy Mac HomeworkLib Build HomeworkLib: Failed Today at 10:18 AM #include <iostream» using namespace std; By File By Type HomeworkLib 2 issues void squareProgram() Apple Mach-O Linker (ld) Error "_main", referenced from: Apple Mach-O Linker (ld) Error Linker command failed with exit code 1 (use -v to see invocation) int length; int area; int perimeter; cout << "nnhat is the side length of your square:"; cin >>length; area = (length * length); perimeter(ength 4); cout << "nnYou have a square with a perimeter of " << perimeter << " units and an area of "<< area <<" sq. units!n" return //B-Insurance program #include <iostream» void insuranceProgram() int age cout << "Innwhat is your age (in years):". cin >age; if age < 35) cout < "nn Your quoted insurance rate is 2.23 per hundred. In" else t cout < "nn Your quoted insurance rate is 4.32 per hundred. In" return //C -Grades program #include <iostream» void gradesProgram() int grade; cout << "nnWhat is your grade:"; cin >> grade; if (grade >= 90) { cout << nnYou earned an A, way to go!\n" else ifgrade -80) else ifgrade -70) else ifgrade -60) else t cout << nnYou earned a B, solid work!\n"; cout <<nnYou earned a C, decent job.\n"; cout << nnYou earned a D, not your best effort.\n"; cout < "nnYou earned an F, you need to hit the books. In" return