Code Leetcode Java常用代码 February 17, 2024Brandon 优先队列统计高频元素、自定义二维数组排序、Map 计数与按需建表，再到字符串转换和数组 List 互转，这些 Java 模板能减少 LeetCode 刷题中的重复编码。View Post Share
Code DP问题专项 November 24, 2022Brandon Recursion becomes practical when repeated subproblems are memorized and each transition is chosen deliberately. Build DP solutions through five steps, topological ordering, string subproblems, and extra state for cyclic shortest paths.View Post Share