N/A Fast Power.java Medium [DFS, Divide and Conquer] Java 25 N/A Perfect Rectangle.java Hard [Design, Geometry, Hash Table] Java 26 N/A Total Hamming Distance.java Medium [Bit Manipulation] O(n) O(1), 32-bit array Java 27 N/A Word Pattern.java Easy [] Java 28 N/A Two Sum ...
Java Solutions to problems on LintCode/LeetCode. Contribute to awangdev/leet-code development by creating an account on GitHub.
最后，刷题呢工具一定要用起来。比如我用Java刷，什么ant,gradle, junit, log4j,slf4j都用起来。可以...
使用map函数来映射sum函数 45ms # return max(map(sum, accounts)) # 利用max的key属性 33ms # https://leetcode.cn/problems/richest-customer-wealth/solutions/554768/li-yong-maxde-keyshu-xing
Java 实现 class Solution { public int numSquares(int n) { int dp[] = new int[n + 1]; Arrays.fill(dp, Integer.MAX_VALUE); // bottom case dp[0] = 0; // pre-calculate the square numbers. int max_square_index = (int) Math.sqrt(n) + 1; int square_nums[] = new int[max...
Use it to guess and update new wordlist. Time Complexity: O(m ^ 2 * n). m = wordlist.length. n = word length. Space: O(m). AC Java: 1/**2* // This is the Master's API interface.3* // You should not implement it, or speculate about its implementation4* interface Master...
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3. LeetCode Top 100 Problems top100 是比较经典的100道热门题目,其中很多在 BLIND 75 和代码随想录里已经做过了,不过还有一些是没有交叉的。 现在开始尝试自己写,还是跳过hard,题目从easy 到 medium, Acceptance 从高到低。 每道题开始先看一下 related topics(下图左下角红圈) 是什么,就是解法提示,复习一...
Level 5. God. Solved problems 1000+ How to determine You already know that, it’s better to share lifehacks in the comments on how to learn effectively and become like you. How to get to the next level To infinity and beyond?
这与 C 语言的 strstr() 以及 Java 的 indexOf() 定义相符。 示例 1: 输入:haystack = "hello", needle = "ll" 输出:2 示例 2: 输入:haystack = "aaaaa", needle = "bba" 输出:-1 示例 3: 输入:haystack = "", needle = "" 输出:0 提示: 0 <= haystack.length, needle.length <= 5 *...