MediumRelated Topics: Array / GreedyLeetCode Source 解題想法 題目唯一要注意的點就是 arrays 最大...
EasyRelated Topics: Array / GreedyLeetCode Source 解題想法 題目主要是希望透過 5 10 20 來交易價值...
HardRelated Topics: Array / Two Pointers / Binary Search / SortingLeetCode Sour...
MediumRelated Topics: Array / BacktrackingLeetCode Source 解題想法 首先透過 sort 把 can...
EasyRelated Topics: Tree / Design / BST / Heap (Priority Queue) / BT / Data Str...
HardRelated Topics: Array / DFS / BFS / Matrix / Strongly Connected ComponentLe...
MediumRelated Topics: Array / Hash Table / DFS / BFS / Union Find MatrixLeetCod...
MediumRelated Topics: Array / Hash Table / Math / MatrixLeetCode Source 解題想法 整...
MediumRelated Topics: Array / Matrix / SimulationLeetCode Source 解題想法 首先設定每次尋訪...
HardRelated Topics: Hash Table / String / Greedy / Sorting / CountingLeetCode S...
MediumRelated Topics: Hash Table / String / Greedy / Sorting / CountingLeetCode...
EasyRelated Topics: Array / Hash Table / String / CountingLeetCode Source 解題想法...
MediumRelated Topics: Array / Two Pointers / Binary Search / SortingLeetCode So...
EasyRelated Topics: Array / Hash Table / SortingLeetCode Source 解題想法 基本上就是判斷說兩...
MediumRelated Topics: Array / Sliding WindowLeetCode Source 解題想法 我們首先遍歷數組來計算1的...
EasyRelated Topics: Array / StringLeetCode Source 解題想法 在 details 的陣列中,總長 15,計算...
前言 最近在刷 LeetCode,今天要來跟大家分享一下我解「383. Ransom Note」的過程!這題雖然標示為 Easy,解題邏輯不難,但因為對語法不熟...
Stone Game 題目連結 兩種情況 大數字在前或後==> alice 可以先選 大數字在中間 ==> 由於alice 選數字時數量一定是...
Smallest String Starting From Leaf 題目連結 用bfs來做 1.先移路往左走(直到左邊是null),刪掉當下的點(往回走)...
Add One Row to Tree (623) 在原本的二元樹的某一層插入新節點(後面一樣是舊節點) 用bfs遍歷樹(直到到要補的層前),插入左值與右值...
[LeetCode] 875 - Koko Eating Bananas Problem 給定一個有 n 堆香蕉的陣列 piles (第 i 堆的數量為 pil...
Cheapest Flights Within K Stops 很久沒有發文了,雖然還是有寫題的習慣,但寫解題真的有點懶(誤 總而言之,最後還是決定寫一下,畢竟...
Given two strings s1 and s2, return true if s2 contains a permutation of s1, or...
Given an array of integers temperatures represents the daily temperatures, retur...
You are given an integer array cost where cost[i] is the cost of ith step on a s...
Given a string s, return the longest palindromic substring in s. 給一個 string 回傳該...
You are a professional robber planning to rob houses along a street. Each house...
You are a professional robber planning to rob houses along a street. Each house...
Given two integer arrays preorder and inorder where preorder is the preorder tra...
Given the root of a binary tree, invert the tree, and return its root. 給一個 tree...