using System; class MostFrequentNumber { static void Main() { //Write a program that finds the most frequent number in an array. Example: //{4, 1, 1, 4, 2, 3, 4, 4, 1, 2, 4, 9, 3}  4 (5 times) int[] array = { 4, 1, 1, 4, 2, 3, 4, 4, 1, 2, 4, 1, 1, 1, 9, 3 }; Console.WriteLine("{0}", string.Join(", ", array)); Console.WriteLine(); int maxSequence = 1; int tempSequence = 1; int placeholder = 0; for (int i = 0; i < array.Length; i++) { for (int j = 1; j < array.Length; j++) { if (array[i] == array[j]) { tempSequence++; } } if (maxSequence < tempSequence) { maxSequence = tempSequence; placeholder = i; } tempSequence = 0; } Console.WriteLine("Number {0} is repeated {1} times in the array!", array[placeholder], maxSequence); } }