leetcode problem 9: Palindrome Number classSolution {public:boolisPalindrome(intx) {intret =0;while(x >ret){intremainder = x %10;if(remainder ==0&& ret ==0){returnfalse; } ret*=10; ret+=remainder;if(x ==ret){returntrue; } x/=10; }if(x ==ret){returntrue; }returnfalse; } };
Note: The most water = width * min(left, right), where width = j - i, i and j are the indexes of two sides. We can use two pointers starting from the begging and the end of the array to solve this problem. The core of the problem is how to update the position of two pointer...
NO.9 简单 (181. 超过经理收入的员工) leetcode-cn.com/problem # 自连接,将经理和对应的员工处于同一行,再比较即可。 SELECT e1.Name AS 'Employee' FROM Employee e1 JOIN Employee e2 ON e1.ManagerId = e2.Id WHERE e1.Salary > e2.Salary NO.10 困难 (262. 行程和用户) leetcode-cn.com/...
feat: add sql solution to lc problem: No.3451 (#4057) Feb 13, 2025 .prettierrc feat: add solutions to lc problem: No.2101 (#3147) Jun 22, 2024 CODE_OF_CONDUCT.md style: format code and documents Feb 15, 2022 Dockerfile chore: add Dockerfile (#3229) Jul 9, 2024 ...
Leetcode - Practice Problem 751.IP to CIDR 我请问呢什么题目啊在这里考二进制呢。。。首先我们要会怎样用python 把十进制和二进制互相转换 >>> int("1111", 2) # convert binary to int >>> 15 >>> format(15, '08b') # convert int 15 to binary in 8-bit representation...
原证明为算法导论9-1的解答,求解过程大致为: 从任意点出发,找到距离其最大的节点x 从节点x出发,找到距离其最大的节点y x-y即为树的直径,其路径最大。 这个是leetcode官方给的题解,如果有证明的话后面其实可以不用写了……这道题还可以用树形DP,不过我实在没弄明白。 代码语言:javascript 代码运行次数:0 ...
Notes: It is intended for this problem to be specified vaguely (ie, no given input specs). You are responsible to gather all the input requirements up front. spoilers alert… click to show requirements for atoi. Requirements for atoi: The function first discards as many whitespace characters ...
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Notes: It is intended for this problem to be specified vaguely (ie, no given input specs). You are responsible to gather all the input requirements up front. Requirements for atoi: The function first discards as many whitespace characters as necessary until the first non-whitespace character is...