تحليل البيانات

using System; // لا تحذف هذا السطر
public class DataAnalyzer
{
    public static double CalculateStudentAverage(int[][] scoreGrid, int studentIndex)
    {
        // اكتب كودك هنا
        
    }
    
    public static double CalculateAssignmentAverage(int[][] scoreGrid, int assignmentIndex)
    {
        // اكتب كودك هنا
        
    }
    
    public static int[] FindHighestScore(int[][] scoreGrid)
    {
        // اكتب كودك هنا
        
    }
}

// مطلوب للاختبار - لا تقم بالتعديل
public class DataCollector
{
    public static int[][] CreateScoreGrid(int students, int assignments)
    {
        int[][] scoreGrid = new int[students][];
        for (int i = 0; i < students; i++)
        {
            scoreGrid[i] = new int[assignments];
        }
        return scoreGrid;
    }
    
    public static bool ValidateScore(int score)
    {
        return score >= 0 && score <= 100;
    }
    
    public static int[][] PopulateWithDefaultValues(int[][] scoreGrid)
    {
        for (int i = 0; i < scoreGrid.Length; i++)
        {
            for (int j = 0; j < scoreGrid[i].Length; j++)
            {
                scoreGrid[i][j] = -1;
            }
        }
        return scoreGrid;
    }
}

public class DataEntry
{
    public static int SetStudentScore(int[][] scoreGrid, int studentIndex, int assignmentIndex, int score)
    {
        // التحقق من الفهارس الخارجة عن النطاق
        if (studentIndex < 0 || studentIndex >= scoreGrid.Length || 
            assignmentIndex < 0 || assignmentIndex >= scoreGrid[studentIndex].Length)
        {
            return -1;
        }
        
        // التحقق من صحة الدرجة
        if (!DataCollector.ValidateScore(score))
        {
            return -2;
        }
        
        // تعيين الدرجة
        scoreGrid[studentIndex][assignmentIndex] = score;
        return 0;
    }
    
    public static int UpdateAllScores(int[][] scoreGrid, int[] studentIndices, int assignmentIndex, int score)
    {
        int successCount = 0;
        
        for (int i = 0; i < studentIndices.Length; i++)
        {
            int result = SetStudentScore(scoreGrid, studentIndices[i], assignmentIndex, score);
            if (result == 0)
            {
                successCount++;
            }
        }
        
        return successCount;
    }
}