来源:https://leetcode-cn.com/problems/print-foobar-alternately/ 方案一:Semaphore 在该场景下有点类似红绿灯交替变换的情境,因此信号量成了首选思路: classFooBar{privateintn;publicFooBar(intn){this.n=n;}Semaphorefoo=newSemaphore(1);Semaphorebar=newSemaphore(0);publicvoidfoo(RunnableprintFoo)throwsInter...
链接:https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 Go版本代码 func lastRemaining(n int, m int) int { var ans int //使用迭代法实现 for i:=2;i<=n;i++ { ans = (ans+m)%i }...
classSolution {public:intcountSegments(strings) {intflag=1,count=0;for(inti=0;i<s.length();i++) {if(s[i]!=''&&flag) { count++; flag=0; }if(s[i]=='') flag=1; }returncount; } };/*作者:lu-hai-pan-jiang 链接:https://leetcode-cn.com/problems/number-of-segments-in-a-str...
}for(inti=1; i<nums.length; i++) {// 剩下那个没有被转成负数的数if(nums[i] >0) { result[1] = i+1; } }returnresult; } 07 第六种解法 此解法是使用异或运算,来自讨论区。传送门:https://leetcode.com/problems/set-mismatch/discuss/105513/XOR-one-pass publicint[]findErrorNums(int[...
https://leetcode.com/problems/permutations/discuss/18239/A-general-approach-to-backtracking-questions-in-Java-(Subsets-Permutations-Combination-Sum-Palindrome-Partioning) 根据上面的帖子(排列),我想用他的算法在 Go 中覆盖它。 但是有一个堆栈溢出错误发生。 下面是我的代码。可以帮我解决这个问题,thx。
Java class Solution { public ListNode partition(ListNode head, int x) { ListNode small = new ListNode(0); ListNode smallHead = small; ListNode large = new ListNode(0); ListNode largeHead = large; while (head != null) { if (head.val < x) { small.next = head; small = small.next;...
Java Algorithm Problems Leetcode#ProblemLevelTagsTimeSpaceLanguageSequence N/A Jump Game II.java Hard [Array, Coordinate DP, DP, Greedy] O(n) O(1) Java 0 N/A Majority Number II.java Medium [Enumeration, Greedy] Java 1 N/A Search a 2D Matrix II.java Medium [Binary Search, Divide and...
002 | 目录 Java Algorithm Problems Leetcode#ProblemLevelTagsTimeSpaceLanguageSequence N/A Jump Game II.java Hard [Array, Coordinate DP, DP, Greedy] O(n) O(1) Java 0 N/A Majority Number II.java Medium [Enumeration, Greedy] Java 1 N/A Search a 2D Matrix II.java Medium [Binary Search...
这个接口不需要登录态,仅一个 get 请求就能够获取所有题目。使用Java爬取代码如下: 代码语言:txt 复制 OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url("https://leetcode-cn.com/api/problems/algorithms/").method("GET", null) ...
https://leetcode.cn/problems/longest-common-prefix/ 编写一个函数来查找字符串数组中的最长公共前缀。 如果不存在公共前缀,返回空字符串 ""。 示例1: 输入:strs = ["flower","flow","flight"] 输出:"fl" 示例2: 输入:strs = ["dog","racecar","car"] 输出:"" 解释:输入不存在公共前缀。 class...