原创 【LeetCode】convert-sorted-link-to-binary-search-tree & convert-sorted-array-to-binary-search-tree
題幹 convert-sorted-link-to-binary-search-tree Given a singly linked list where elements are sorted in ascending order, c
2018-09-04 17:09:33
原创 【LeetCode】binary-tree-level-order-traversal i&ii&zigzag
題幹 binary-tree-level-order-traversal Given a binary tree, return the level order traversal of its nodes’ values. (ie, f
2018-09-04 17:09:33
原创 【LeetCode】partition-list
題幹 partition-list Given a linked list and a value x, partition it such that all nodes less than x come before nodes gre
2018-09-04 17:09:33
原创 【LeetCode】populating-next-roght-pointers-in-each-node i&ii
題幹 populating-next-roght-pointers-in-each-node Given a binary tree struct TreeLinkNode { TreeLinkNode *left
2018-09-04 17:09:33
原创 【LeetCode】triangle & pascals-triangle i&ii
題幹 triangle Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers
2018-09-04 17:09:32
原创 【LeetCode】binary-tree-postorder-traversal
題幹 Given a binary tree, return the postorder traversal of its nodes’ values. For example: Given binary tree{1,#,2,3},
2018-09-04 17:09:32
原创 【LeetCode】palindrome-partitioning i&ii
題幹 palindrome-partitioning i Given a string s, partition s such that every substring of the partition is a palindrome.
2018-09-04 17:09:32
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原创 【LeetCode】path-sum i&ii
題幹 path-sum i Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the
2018-09-04 17:09:32
原创 【LeetCode】linked-list-cycle-ii
題幹 Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull. Follow up: Can you
2018-09-04 17:09:31
原创 圖片測距實驗
實驗背景 本文是一個小實驗的結果，針對的問題是是否可以根據圖片交通的視頻得到汽車的行駛速度，更進一步其實是得到圖片上的某段實際距離。 這個問題有非常明確的問題定義，是計算機標定，屬於計算機圖形學的範疇。有一套理論，旋轉矩陣之類的東西。但
2018-09-04 17:09:31
原创 【LeetCode】recorder-list
題幹 Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place wi
2018-09-04 17:09:31