原创 415. Add Strings#1(Done)
Solution#1 public class Solution { public String addStrings(String num1, String num2) { if (num1.equals
2020-07-01 00:52:10
1
原创 197. Rising Temperature#1
Solution#1 # Write your MySQL query statement below SELECT T.Id FROM Weather AS T INNER JOIN Weather AS Y ON T.Da
2020-07-01 00:52:00
1
原创 176. Second Highest Salary#1
Solutin#1 # Write your MySQL query statement below SELECT MAX(Salary) AS SecondHighestSalary FROM Employee WHERE Sa
2020-07-01 00:52:00
原创 56. Merge Intervals#2(Done)
Solution#1 Problem#1 1.不用類繼承的方法不會寫Comparator，這個概念還要搞懂 2.寫得不熟練 3.List<Interval> result = new LinkedList<Interval>
2020-07-01 00:52:00
1
原创 405. Convert a Number to Hexadecimal#2
Solution#2 public class Solution { public String toHex(int num) { if (num == 0) return "0"; Str
2020-02-21 05:20:46
原创 501. Find Mode in Binary Search Tree#2
Solution#1 Problem#1 1. 沒什麼想法 2. int不能爲null，但是Integer可以 3. Integer初始化是考慮是否置null Problem#2 1. 泛型只能是類 2. lis
2020-02-21 05:20:46
原创 178. Rank Scores#1
Solution#1 # Write your MySQL query statement below SELECT Score, (SELECT COUNT(DISTINCT Score) FROM Scor
2020-02-21 05:20:46
原创 182. Duplicate Emails#2
Solutin#1 SELECT Email FROM ( SELECT Email, COUNT(Email) AS Cnt FROM Person GROUP BY Email ) T WHERE Cnt > 1 Soluti
2020-02-21 05:20:46
原创 401. Binary Watch#1(Done)
Solution#1 public class Solution { public List<String> readBinaryWatch(int num) { if (num < 0 || num >
2020-02-21 05:20:45
原创 175. Combine Two Tables
Solution#1 # Write your MySQL query statement below SELECT Name AS Customers FROM Customers WHERE Id NOT IN(SELECT
2020-02-21 05:20:45
原创 326. Power of Three#1
Solution#1 Problem#1 數學的方法 點贊 收藏 分享 文章舉報 TarucaLiu 發佈了120 篇原創文章 · 獲贊 0 · 訪問量 1萬+
2020-02-21 05:20:45
原创 196. Delete Duplicate Emails#1
Solution#1 # Write your MySQL query statement below DELETE p1 FROM Person p1, Person p2 WHERE p1.Email = p2.Email
2020-02-21 05:20:45
原创 181 Employees Earning More Than Their Managers
Solution#1 # Write your MySQL query statement below SELECT E.Name AS Employee FROM Employee AS E INNER JOIN Employe
2020-02-21 05:20:45
原创 459. Repeated Substring Pattern#2
Solution#2 Problem#2 kmp算法未理解 Problem#1 思路不清楚 kmp算法 點贊 收藏 分享 文章舉報 TarucaLiu
2020-02-21 05:20:45