Luke T Computing Post-Test Review 29/9/16

static string Question1(string a, string b)
        {
            string c = "";
            int length;
            if (a.Length > b.Length) length = a.Length;
            else length = b.Length;
            for (int i = 0; i < length; i++)
            {
                if (a.Length > i) c += a[i];
                if (b.Length > i) c += b[i];
            }
            return c;
        }

        static void Question2(int n)
        {
            for (int i = 1; i <= n; i++)
                if (i % 3 == 0 && i % 5 == 0) Console.WriteLine("FizzBuzz");
                else if (i % 3 == 0) Console.WriteLine("Fizz");
                else if (i % 5 == 0) Console.WriteLine("Buzz");
                else Console.WriteLine(i);
        }

        static int Question3(long n)
        {
            for (int i = 2; i < n / 2; i++)
                if (n % i == 0) return i;
            return 1;
        }

        static string Question4(string[] strings)
        {
            bool[] alphabet = new bool[26];
            bool correct = true;
            string panagram = "";
            for (int i = 0; i < strings.Length; i++)
            {
                for (int r = 0; r < alphabet.Length; r++) alphabet[r] = false;
                for (int j = 0; j < strings[i].Length; j++) if (strings[i][j] != ' ') alphabet[(int)strings[i][j] - 97] = true;
                for (int k = 0; k < alphabet.Length && correct == true; k++) if (alphabet[k] == false) correct = false;
                if (correct) panagram += "1";
                else panagram += "0";
                correct = true;
            }
            return panagram;
        }

        //Incomplete
        static int Question5()
        {
            double average;
            string initial = Console.ReadLine();
            var temp = "";
            int? n = null;
            int m = 0;
            int? a = null;
            int? b = null;
            int? k = null;
            for (int i = 0; i < initial.Length; i++)
            {
                if (initial[i] != ' ') temp += initial[i];
                else
                {
                    if (n == null) n = Convert.ToInt32(temp);
                    else m = Convert.ToInt32(temp);
                }
            }
            for (int i = 0; i < m; i++)
            {
                initial = Console.ReadLine();
                if (initial[i] != ' ') temp += initial[i];
                else
                {
                    if (a == null) a = Convert.ToInt32(temp);
                    else if (b == null) b = Convert.ToInt32(temp);
                    else k = Convert.ToInt32(temp);
                    initial = "";
                }
            }
        }

        static void Main(string[] args)
        {
            Console.WriteLine(Question1("abc", "defg"));
            Question2(15);
            Console.WriteLine(Question3(21));
            string[] question4 = new string[] {"we promptly judged antique ivory buckles for the next prize",
"we promptly judged antique ivory buckles for the prizes",
"the quick brown fox jumps over the lazy dog",
"the quick brown fox jump over the lazy dog" };
            Console.WriteLine(Question4(question4));
            Console.ReadLine();
        }