1 /** 2 * 找出未出現的最小正整數 3 * @param A 4 * @param n 5 * @date 2016-10-7 6 * @author shaobn 7 */ 8 public static int findArrayMex(int[] a,int n){ 9 int count = n; 10 int temp = 0; 11 int dir = 1; 12 int num = 0; 13 f