public static GeneralAveregeOfStudents[] ResizeArray(GeneralAveregeOfStudents[] oldArray, int difference)
{
var newArray = new GeneralAveregeOfStudents[oldArray.Length + difference];
for (var i = 0; i < oldArray.Length; i++)
newArray[i] = oldArray[i];
return newArray;
}
public static void Swap(ref GeneralAveregeOfStudents x, ref GeneralAveregeOfStudents y)
{
var temp = y;
y = x;
x = temp;
}
public static GeneralAveregeOfStudents[] AddToArray(ref GeneralAveregeOfStudents[] array, GeneralAveregeOfStudents newValue)
{
array = ResizeArray(array, 1);
array[array.Length - 1] = newValue;
return array;
}
public static GeneralAveregeOfStudents[] GetStudentWithSmallestGeneralAverage(Catalog[] catalog,
double generalAverage)
{
var studentsWithSmallestGeneralAverege = new GeneralAveregeOfStudents[0];
var orderedStudents = GetOrderedSudentsByGeneralAverege(catalog);
for(var i=0;i<orderedStudents.Length;i++)
if (orderedStudents[i].GeneralAverage == generalAverage)
AddToArray(ref studentsWithSmallestGeneralAverege, orderedStudents[i]);
return studentsWithSmallestGeneralAverege;
}
public static GeneralAveregeOfStudents[] GetStudentWithMostMarkOfTen(Catalog[] catalog)
{
var studentsWithNoMax = new GeneralAveregeOfStudents[0];
var generalAverage = GetAllGeneralAveragePerStudent(catalog);
var arrayNoMark = GetNoOfMarkPerStudent(catalog);
var noMax = GetMaxVaule(arrayNoMark);
for(var i=0;i<arrayNoMark.Length-1;i++)
if (arrayNoMark[i] == noMax)
AddToArray(ref studentsWithNoMax, generalAverage[i]);
return studentsWithNoMax;
}
public static GeneralAveregeOfStudents[] GetStudentWithGeneralAverage(GeneralAveregeOfStudents[] students,
double generalAverage)
{
var min = 0;
var max = students.Length-1;
var studentWithGeneralAverage=new GeneralAveregeOfStudents[0];
while (min <= max)
{
var middle = (min + max)/2;
if (generalAverage == students[middle].GeneralAverage)
AddToArray(ref studentWithGeneralAverage, students[middle]);
if (generalAverage > students[middle].GeneralAverage)
max = middle - 1;
else
{
min = middle + 1;
}
}
return studentWithGeneralAverage;
}
public static GeneralAveregeOfStudents[] GetAllGeneralAveragePerStudent(Catalog[] catalog)
{
var generalAverage = new GeneralAveregeOfStudents[0];
for (var i = 0; i < catalog.Length ; i++)
{
var newValue = GetGeneralAverage(catalog[i]);
AddToArray(ref generalAverage, newValue);
}
return generalAverage;
}
