题解 | #调整数组顺序使奇数位于偶数前面(二)#

import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     *
     * @param array int整型一维数组
     * @return int整型一维数组
     */
    public static int[] reOrderArrayTwo(int[] array) {
        int countOdd = 0;
        int n = array.length;
        for (int i=0; i<n; i++){
            if (array[i]%2 == 1) countOdd++;
        }
        int[] ret = new int[n];
        int oddpt = 0, evenpt = countOdd;
        for (int i=0; i<n; i++){
            if (array[i]%2 == 1) {
                ret[oddpt] = array[i];
                oddpt ++;
            }
            else {
                ret[evenpt] = array[i];
                evenpt ++;
            }
        }
        return ret;
    }
}