source

#include <iostream>
#include <vector>
using namespace std;

int main()
{
	int v;
	double enter;
	vector<string> names;
	string n; 
	vector<double> grades; 
	vector<vector<double>> base; 
	

	for (int i = 0; i < 5; i++)
	{
		cout << "Enter student #" << (i + 1) << "'s name ==> ";
		cin >> n;
		names.push_back(n);

		for (int p = 0; p < 5; p++)
		{
			cout << n << "'s grade #" << (p + 1) << "==> ";
			cin >> enter;
			grades.push_back(enter);
		}
		base.push_back(grades);
		grades.clear();
		cout << endl; 
		cout << endl;

	}
	
	double accum = 0;
	cout << "GRADE BOOK UPDATED \n";
	cout << "============================" << endl << endl;

	vector<string> header = { "Grade" , "Average" };
	for (int h = 0; h < 5; h++)
	{
		cout << "\t" << header[0] << " #" << (h + 1);
	}
	cout << "\t" << header[1]; 
	cout << endl;
	for (int o = 0; o < 5; o++)
	{
		cout << names[o];
		for (int n = 0; n < 5; n++)
		{
			cout << "\t\t" << base[o][n];
			accum = base[n][o] + accum;
		
		}
		accum = accum / 5; 
		cout << "\t" << accum;
		accum = 0; 
		cout << endl;
	}


	cout << "Saved! \n \n";
}