[Codility] Distinct

문제)

URL : https://app.codility.com/programmers/lessons/6-sorting/distinct/

정답)

Distinct.java

	import java.util.Arrays;
	class Distinct {
	public static int solution(int[] A) {
	Arrays.sort(A);
	//If there are no follow if-clause, extreme_empty error occurs.
	if (A.length == 0) return 0;
	if (A.length == 1) return 1;
	int count = 1;
	for (int i = 0; i < A.length-1; i++) {
	if (A[i] != A[i + 1])
	count++;
	}
	return count;
	}

내 깃헙 주소: https://github.com/boniato/algorithms/blob/master/codility/Distinct.java