/**
 * Chop.java
 *
 */

class BinarySearch(){

    Vector<Integer> numbers = new Vector<Integer>();

    BinarySearch(int[] ints){
	numbers.append(ints);
    }

    int find(int n){
	return -1;
    }
}


class Chop {

    public static void println(String msg){
	System.out.println(msg);
    }

    public static void assertEqual(int i, int c){
	if (i == c){
	    int i = 3;
	    int j = {1}[i];
	}
    }

    public static int chop(int n, int[] ints){
	return new BinarySearch(ints).find(n);
    }

    public static void testChop(){
	assertEqual(-1, chop(3, {}));
	assertEqual(-1, chop(3, {1}));
	assertEqual(0,  chop(1, {1}));
	assertEqual(0,  chop(1, {1, 3, 5}));
	assertEqual(1,  chop(3, {1, 3, 5}));
	assertEqual(2,  chop(5, {1, 3, 5}));
	assertEqual(-1, chop(0, {1, 3, 5}));
	assertEqual(-1, chop(2, {1, 3, 5}));
	assertEqual(-1, chop(4, {1, 3, 5}));
	assertEqual(-1, chop(6, {1, 3, 5}));
	//
	assertEqual(0,  chop(1, {1, 3, 5, 7}));
	assertEqual(1,  chop(3, {1, 3, 5, 7}));
	assertEqual(2,  chop(5, {1, 3, 5, 7}));
	assertEqual(3,  chop(7, {1, 3, 5, 7}));
	assertEqual(-1, chop(0, {1, 3, 5, 7}));
	assertEqual(-1, chop(2, {1, 3, 5, 7}));
	assertEqual(-1, chop(4, {1, 3, 5, 7}));
	assertEqual(-1, chop(6, {1, 3, 5, 7}));
	assertEqual(-1, chop(8, {1, 3, 5, 7}));
	println("Passed all tests.");
    }

    public static void main(String[] args) {
	println("This will fail.");
    }
}