A simple program to ask the user to give five grades of the students and then the program will compute the average grade of the student using a C++ programming language.

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Program Listing

#include <iostream>
#include <numeric>
#include <array>

constexpr int NumGrades = 5;

int main()
{
	std::array<int, NumGrades> grades;

    std::cout <<"\n\n";
    std::cout << "\tAverage Student Grades Using For Loop and Arrays in C++";
    std::cout <<"\n\n";
	for (int i = 0; i < NumGrades; ++i)
	{
			std::cout << "\tEnter Student Grade No. " << i+1 << " : ";
			std::cin >> grades[i];
	}
	auto sum_grades = std::accumulate(grades.cbegin(), grades.cend(), 0);
	auto avg_grade = sum_grades / NumGrades;

	std::cout <<"\n\n";
	std::cout << "\tThe Average Student Grades : " << avg_grade;
	std::cout <<"\n\n";
    std::cout << "\tEnd of Program";
    std::cout <<"\n\n";
}

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