Assignment

using System;

class Program
{
    static void Main(string[] args)
    {
        int caseNumber = 1;

        while (true)
        {
            int n = int.Parse(Console.ReadLine());
            if (n == 0)
                break;

            Console.WriteLine("Case {0}:", caseNumber);

            string[] parameters = Console.ReadLine().Split(' ');
            int L = int.Parse(parameters[0]);
            int C = int.Parse(parameters[1]);

            int[] topics = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);

            int lectureCount = CalculateMinimumLectures(n, L, topics);
            int totalDI = CalculateTotalDI(lectureCount, topics, C);

            Console.WriteLine("Minimum number of lectures: {0}", lectureCount);
            Console.WriteLine("Total dissatisfaction index: {0}", totalDI);
            Console.WriteLine();

            caseNumber++;
        }
    }

    static int CalculateMinimumLectures(int n, int L, int[] topics)
    {
        int lectureCount = 1;
        int totalDuration = 0;

        for (int i = 0; i < n; i++)
        {
            if (totalDuration + topics[i] > L)
            {
                lectureCount++;
                totalDuration = 0;
            }

            totalDuration += topics[i];
        }

        return lectureCount;
    }

    static int CalculateTotalDI(int lectureCount, int[] topics, int C)
    {
        int totalDI = 0;

        for (int i = 0; i < lectureCount; i++)
        {
            int freeTime = topics[i] > 10 ? topics[i] - 10 : 0;
            int DI = freeTime > 0 ? (freeTime - 10) * (freeTime - 10) : 0;
            totalDI += DI;
        }

        if (lectureCount > 1)
            totalDI += C;

        return totalDI;
    }
}