题解 | #数组中出现次数超过一半的数字#
数组中出现次数超过一半的数字
https://www.nowcoder.com/practice/e8a1b01a2df14cb2b228b30ee6a92163
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 numbers int整型一维数组 * @return int整型 */ public int MoreThanHalfNum_Solution (int[] numbers) { // write code here //阵地法 if (numbers == null) { return 0; } if (numbers.length < 2) { return numbers[0]; } int res = numbers[0]; int count = 0; for(int i = 1; i< numbers.length; i++){ if(count == 0){ res = numbers[i]; } if(res == numbers[i]){ count ++; } else { count --; } } return res; } }