I'm a beginner, I can't understand the following errors in my c++ program

//This program averages 4 grades and assigns a letter grade based on the numeric average.
#include <iostream>
using namespace std;

int main()

int g1, g2, g3, g4; //Numeric grades to be averaged.

cout << "This program averages 4 grades. n"; // Gathers number inputs to output GPA (Grade Point Average)
cout << "Enter first grade n";
cin >> g1;
cout << "Enter second grade n";
cin >> g2;
cout << "Enter third grade n";
cin >> g3;
cout << "Enter fourth grade n";
cin >> g4;
cout << "Your average is: n";

const int
gpa = ((g1 + g2 + g3 + g4) / 4.0); // Average of g1, g2, g3, and g4.
rep = "Your GPA letter grade is: n"; // Placeholder for the letter grade reply string.

cout << gpa

cout << gpa; // Outputs letter grade string
if (gpa >= 90)
cout << rep "A";
else if (gpa >= 80)
cout << rep "B";
else if (gpa >= 70)
cout << rep "C";
else if (gpa >= 60)
cout << rep "D";
else if (gpa >= 0)
cout << rep "F";
else
cout << "Invalid grade entered, enter positive digits only. n"

system("pause");
return 0;



I receive these error messages:

1>c:userssevensourcereposproject2project2source.cpp(9): error C2144: syntax error: 'int' should be preceded by ';'

1>c:userssevensourcereposproject2project2source.cpp(9): error C2270: 'main': modifiers not allowed on nonmember functions

1>c:userssevensourcereposproject2project2source.cpp(14): error C2062: type 'int' unexpected


I especially don't understand the first error. Why would I ever want a ; to precede int? ";int", and in every case there is an ; preceding "int" on the line before. Sorry if I'm not asking for help properly. Doing my best, thanks!

cout << gpa

1 Answer
1

#include <iostream>

using namespace std;

int main()

int g1, g2, g3, g4; //Numeric grades to be averaged.

cout << "This program averages 4 grades. n"; // Gathers number inputs to output GPA (Grade Point Average)
cout << "Enter first grade n";
cin >> g1;
cout << "Enter second grade n";
cin >> g2;
cout << "Enter third grade n";
cin >> g3;
cout << "Enter fourth grade n";
cin >> g4;
cout << "Your average is: n";

const int gpa = ((g1 + g2 + g3 + g4) / 4.0); // Average of g1, g2, g3, and g4.
const string rep = "Your GPA letter grade is: n"; // Placeholder for the letter grade reply string.

cout << gpa;

cout << gpa; // Outputs letter grade string
if (gpa >= 90)
cout << rep << "A";
else if (gpa >= 80)
cout << rep << "B";
else if (gpa >= 70)
cout << rep << "C";
else if (gpa >= 60)
cout << rep << "D";
else if (gpa >= 0)
cout << rep << "F";
else
cout << "Invalid grade entered, enter positive digits only. n";

system("pause");
return 0;



Please check your syntax. All errors were caused by the syntax error.

cout << rep + "A";

<<

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