Arkham Knight Elakiri C++

//Coded BY Arkham Knight ELAKIRI /2014/03/31

#include <iostream>
#include <iomanip>

using namespace std;

/*
1. View all studentdata
2. View a student’s data using the ID
3. Show the highest and the lowest final marks
*/

void allStudentData();
void idStudent();
void showHighLowMarks();
void menu();

int main()
{
    menu();
}

int sR[3][5];
void menu()
{
    //|StudentID 0 | TMA1 1| TMA2 2| BCAT 3| Final 4
    //student column names
    sR[0][0] = 0;
    sR[0][1] = 1;
    sR[0][2] = 2;
    sR[0][3] = 3;
    sR[0][4] = 4;

    //student One
    sR[1][0] = 1232;
    sR[1][1] = 10;
    sR[1][2] = 23;
    sR[1][3] = 45;
    sR[1][4] = 56;//final mark

    //student two
    sR[2][0] = 2343;
    sR[2][1] = 45;
    sR[2][2] = 43;
    sR[2][3] = 24;
    sR[2][4] = 78;//final mark


    cout << "----------  Menu -----------" << endl;
    cout << "" << endl;
    cout << "1. View all studentdata" << endl;
    cout << "2. View a student’s data using the ID" << endl;
    cout << "3. Show the highest and the lowest final marks " << endl;
    cout << "" << endl;
    cout << "Type a desired value from the given menu and press the ENTER key to proceed" << endl;
    int givenVal = 0;
    cin >> givenVal;
    cin.ignore();

    switch (givenVal)
    {
    case 1:
        allStudentData();
        break;
    case 2:
         idStudent();
        break;
    case 3:
         showHighLowMarks();
        break;
    default:
        cout << "an Error is occurred" << endl;
        cin.clear();//clear the input buffer
        menu();
        break;
    }
    cin.get();
}

void allStudentData()
{
    cout << " ";  for(int i=0;i<40;i++){ cout << "_";}  cout << endl;
    cout << "|" << setw(11) << "StudentID 0" << "|" << setw(6) << "TMA1 1" << "|" <<  setw(6) << "TMA2 2" << "|" << setw(6) << "BCAT 3" << "|" <<  setw(7) << "Final 4|" << endl;
    cout << "|" << setw(11) << sR[1][0] << "|" <<  setw(6) << sR[1][1] << "|" <<  setw(6) << sR[1][2] << "|" <<  setw(6) << sR[1][3] << "|" << setw(7) << sR[1][4] << "|" << endl;
    cout << "|" << setw(11) << sR[2][0] << "|" <<  setw(6) << sR[2][1] << "|" <<  setw(6) << sR[2][2] << "|" <<  setw(6) << sR[2][3] << "|" << setw(7) << sR[2][4] << "|" << endl;
    cout << " ";  for(int i=0;i<40;i++){ cout << "_";}  cout << endl;
}

void idStudent()
{
    cout << "Id the of the student to see" << endl;
    int stdID;
    cin >> stdID;
    cin.ignore();
    for(int i=0;i<3;i++)
    {
        for(int j=0;j<5;j++)
        {
            if(sR[i][j] == stdID)
            {
                cout << "Student ID.is :" << sR[i][j] << endl;
                cout << "TMA1.......is :" << sR[i][j+1] << endl;
                cout << "TMA2.......is :" << sR[i][j+1] << endl;
                cout << "BCAT.......is :" << sR[i][j+2] << endl;
                cout << "Final......is :" << sR[i][j+4] << endl;
                break;
            }
        }
    }

}

void showHighLowMarks()
{
    int fM[2];//for receiving final marks
    int k=0;

    for(int i=1;i<3;i++)
    {
        for(int j=0;j<5;j++)
        {
            if(j==4)//final mark value
            {
                fM[k] = sR[i][j];
                k++;
            }
        }
    }

    //sorting
    for(int i=0;i<1;i++)
    {
        int temp = fM[i+1];
        if(temp < fM[i])
        {
            fM[i+1] = fM[i];
            fM[i] = temp;
        }
    }

    cout << "The Highest value is..." << fM[1]  << endl;
    cout << "The Lowest value is...." << fM[0]  << endl;
}