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题解 | #翻转单词序列#

import java.util.LinkedList; public class Solution { public String ReverseSentence(String str) { if(str == null || str.length() < 2) { ...

Java

2022-05-03

0 342

题解 | #和为S的连续正数序列#

import java.util.ArrayList; import java.util.LinkedList; public class Solution { public ArrayList<ArrayList<Integer> > FindContinuousS...

Java

2022-05-02

0 310

题解 | #和为S的两个数字#

import java.util.ArrayList; import java.util.Set; import java.util.HashSet; public class Solution { public ArrayList<Integer> FindNumbersWit...

Java

2022-05-02

0 320

题解 | #滑动窗口的最大值#

import java.util.*; class MyPair { public int num; public int idx; public MyPair(int n, int i) { num = n; idx = i; } ...

Java

2022-05-02

0 317

题解 | #字符流中第一个不重复的字符#

import java.util.*; public class Solution { private int[] counts = new int[128]; private Queue<Character> queue = new LinkedList<>...

Java

2022-05-01

1 342

题解 | #数据流中的中位数#

import java.util.*; public class Solution { private int N = 0; private PriorityQueue<Integer> left = new PriorityQueue<>(new Compa...

Java

2022-05-01

0 328

题解 | #最小的K个数#

import java.util.ArrayList; public class Solution { public ArrayList<Integer> GetLeastNumbers_Solution(int [] input, int k) { Array...

Java

2022-05-01

0 252

题解 | #栈的压入、弹出序列#

import java.util.LinkedList; public class Solution { public boolean IsPopOrder(int [] pushA,int [] popA) { LinkedList<Integer> stac...

Java

2022-05-01

0 273

题解 | #包含min函数的栈#

import java.util.Stack; public class Solution { public Stack<Integer> s1 = new Stack<>(); public Stack<Integer> s2 = new St...

Java

2022-04-30

0 256

题解 | #用两个栈实现队列#

import java.util.Stack; public class Solution { Stack<Integer> stack1 = new Stack<Integer>(); Stack<Integer> stack2 = new S...

Java

2022-04-30

0 250