31 lines
869 B
Java
31 lines
869 B
Java
package com.fanxb.common;
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import java.util.Arrays;
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/**
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* Created with IntelliJ IDEA
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* 移除元素
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* 地址：https://leetcode-cn.com/problems/remove-element/
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* 思路：
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* 暴力办法，两层for循环，每找到一个相同元素就将后面的所有元素向前移动一位
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* 还有一种简便点的办法，不需要删除重复元素，只需要将重复元素替换为不重复元素即可
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*
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* @author fanxb
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* Date: 2020/6/11 9:56
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*/
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public class Q27 {
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public int removeElement(int[] nums, int val) {
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int count = 0;
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for (int i = 0; i < nums.length; i++) {
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if (nums[i] != val) {
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nums[count++] = nums[i];
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}
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}
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return count;
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}
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public static void main(String[] args) {
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System.out.println(new Q27().removeElement(new int[]{0, 1, 2, 2, 3, 0, 4, 2}, 2));
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}
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}
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