COS126

• Download Count1.java

/******************************************************************************
  * Name: COS 126 Staff
  * NetID: cos126
  * Precept: P00
  * 
  * Fall 15 Programming Exam 1, part 1
  * Count distinct integers entered from standard input.
  * Input is sorted.
  *****************************************************************************/
public class Count1 { 
    public static void main(String[] args) { 
        int count = 1;        //  number of integers input
        int distinct = 1;     //  number of distinct integers
        
        // read first int
        int val = StdIn.readInt();
        // don't know how many.  read and count till done
        while (!StdIn.isEmpty()) {
            int newVal = StdIn.readInt();
            count++;
            if (newVal != val) {
                // found a new one
                distinct++;
                val = newVal;
            }
        }
        
        // output
        StdOut.println(distinct + " distinct values among "
                               + count + " integers");
    } 
}