public class Alitaulukot {
    long laske(int[] t) {

        int a = t[0];
        int b = 0;
        int c = 0;
        long result = 2*t.length-1;

        for (int i = 0; i < t.length; i++) {

            if (b == 0 && t[i] != a) {
                b = t[i];
            }

            if ((t[i] != a && t[i] != b) && b != 0) {
                result += sum(c);
                while(t[i-1] == b) {
                    i--;
                    System.out.println(t[i]);
                }
                a = t[i];
                b = 0;
                c = 0;
            }

            c++;

        }
        result += sum(c);
        return result;

    }

    long sum(long n) {
        long sum = 0;
        for (int i = 0; i < n-1; i++) {
            sum += i;
        }
        return sum;
    }


}