有一点难谢谢题解滑动窗口呜呜呜

293场周赛简单题思想不难 写起来很麻烦java写字符串的题真的好麻烦class Solution {public List<String> removeAnagrams(String[] words) {List<String> list= new ArrayList<>();list.add(words[0]);int t = 0;int n = words

java:回溯

1.背包问题1）01背包问题import java.util.*;public class Main{public static void main(String[] args){Scanner scan = new Scanner(System.in);int n = scan.nextInt();int v = scan.nextInt();int[] a = new int[n + 1.