摘要：
Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer, or a list -- w 阅读全文
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[LeetCode] 437. Path Sum III_ Medium tag: DFS
2018-07-18 00:38 by Johnson_强生仔仔, 288 阅读, 收藏,
摘要：
You are given a binary tree in which each node contains an integer value. Find the number of paths that sum to a given value. The path does not need t 阅读全文
[Java in NetBeans] Lesson 13. Multidimensional Arrays
2018-12-20 03:10 by Johnson_强生仔仔, 286 阅读, 收藏,
摘要：
这个课程的参考视频和图片来自youtube。 主要学到的知识点有： 1. Multidimensional Array: Array that has more than one dimension. Create a array with two dimensions. 阅读全文
[LeetCode] 611. Valid Triangle Number_Medium tag: Two pointers
2019-05-31 11:01 by Johnson_强生仔仔, 285 阅读, 收藏,
摘要：
Given an array consists of non-negative integers, your task is to count the number of triplets chosen from the array that can make triangles if we tak 阅读全文
[LeetCode] 240. Search a 2D Matrix II_Medium tag: Binary Search
2018-08-31 06:21 by Johnson_强生仔仔, 285 阅读, 收藏,
摘要：
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted i 阅读全文
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