/************************************************************************* * Name: Donna Gabai * Login: dgabai * Precept: P01 * * Compilation: javac BirthdayPart1.java * Execution: java BirthdayPart1 int * * Description: input M from command line * inputs list of ints representing birthdays from StdIn. * outputs how many examined to find M matches. *************************************************************************/ public class BirthdayPart1 { public static void main(String[] args) { // inputs int M = Integer.parseInt(args[0]); // set up array to hold matches for 366 possible birthdays int[] bdays = new int[366]; boolean done = false; // Did we find M repeats? int index = -1; // Which birthday repeated M times? int count = 0; // how many birthdays read? // read birthdays until matches found or file exhausted while (!done && !StdIn.isEmpty()) { int day = StdIn.readInt(); count++; bdays[day]++; if (bdays[day] == M) { done = true; index = day; } } // print result if (index < 0) StdOut.println("No birthday occurs " + M + " times"); else { StdOut.print(count + " birthdays examined to find "); StdOut.println(M + " occurrences of " + index); } } }