iT 邦幫忙::一起幫忙解決難題，拯救 IT 人的一天

0 Like 0 留言 41 瀏覽

鐵人賽自我挑戰組 DAY 2

深入淺出 Grind 75 系列第 4 篇

技術 383. Ransom Note

題目敘述題目敘述到我們有兩個字串 ransomNote 和 magazine 假設 ransomNote 可以透過 magazine 則回傳 True 否...

whoami ‧ 2025-09-21

0 Like 0 留言 23 瀏覽

鐵人賽自我挑戰組 DAY 2

深入淺出 Grind 75 系列第 3 篇

技術 133. Clone Graph

題目敘述我們必須透過已知的一個 graph 來建立一個一模一樣的 graph 但我們所回傳的 graph 不能是原本的 graph 解題思路當遇到尋...

whoami ‧ 2025-09-18

0 Like 0 留言 51 瀏覽

鐵人賽自我挑戰組 DAY 2

深入淺出 Grind 75 系列第 2 篇

技術 3. Longest Substring Without Repeating Characters

題目敘述給定一個字串 s，請找出其中不包含重複字元的最長子字串的長度。解題思路這題的標籤包含： Hash Table String Slidin...

whoami ‧ 2025-09-16

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鐵人賽自我挑戰組 DAY 1

深入淺出 Grind 75 系列第 1 篇

技術 1. Two Sum

題目敘述給定一個整數陣列 nums 和一個整數 target，請找出陣列中兩個數字的索引值，使得這兩個數字加總起來剛好等於 target。每筆測資保證...

whoami ‧ 2025-09-15

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鐵人賽 Software Development DAY 11

學習C++必備！30 天演算法入門到進階 + CSES 與 Leetcode 實戰系列第 11 篇

技術 Day 11 — BFS 入門（最短路徑、迷宮遍歷）

一、學習目標了解 BFS（Breadth-First Search）在無權圖求最短邊數路徑的原理與不變量。熟悉四種常見套路：網格 BFS、一般圖 BFS...

lichengen ‧ 2025-09-03

0 Like 0 留言 893 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Edit Distance

Description Edit Distance Given two strings word1 and word2, return the minimu...

xianyu ‧ 2024-11-13

0 Like 0 留言 1022 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Increasing Subsequence

Description Longest Increasing Subsequence Given an integer array nums, return...

xianyu ‧ 2024-11-06

0 Like 0 留言 784 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- House Robber

Descriptoin House Robber You are a professional robber planning to rob houses...

xianyu ‧ 2024-11-02

1 Like 0 留言 1083 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Climbing Stairs

Description Climbing Stairs You are climbing a staircase. It takes n steps to...

xianyu ‧ 2024-11-01

2 Like 0 留言 940 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Find Minimum in Rotated Sorted Array

Description Find Minimum in Rotated Sorted Array Suppose an array of length n...

xianyu ‧ 2024-10-30

0 Like 0 留言 946 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Search

Description 704. Binary Search Easy Topics Companies Given an array of integers...

xianyu ‧ 2024-10-30

0 Like 0 留言 887 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Sort Colors

Description Sort Colors Given an array nums with n objects colored red, white,...

xianyu ‧ 2024-10-29

0 Like 0 留言 796 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Merge Sorted Array

Description Merge Sorted Array You are given two integer arrays nums1 and nums...

xianyu ‧ 2024-10-28

0 Like 0 留言 675 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Pacific Atlantic Water Flow

Description Pacific Atlantic Water Flow There is an m x n rectangular island t...

xianyu ‧ 2024-10-25

0 Like 0 留言 603 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Word Ladder

Description Word Ladder A transformation sequence from word beginWord to word...

xianyu ‧ 2024-10-24

0 Like 0 留言 569 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Course Schedule

Description Course Schedule There are a total of numCourses courses you have t...

xianyu ‧ 2024-10-23

0 Like 0 留言 742 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Number of Islands

Description Number of Islands Given an m x n 2D binary grid grid which represe...

xianyu ‧ 2024-10-22

0 Like 0 留言 727 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Clone Graph

Description Clone Graph Given a reference of a node in a connected undirected...

xianyu ‧ 2024-10-22

0 Like 0 留言 488 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Symmetric Tree

Description Symmetric Tree Given the root of a binary tree, check whether it i...

xianyu ‧ 2024-10-21

0 Like 0 留言 523 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Same Tree

Description Same Tree Given the roots of two binary trees p and q, write a fun...

xianyu ‧ 2024-10-20

0 Like 0 留言 516 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Insert into a Binary Search Tree

Description Insert into a Binary Search Tree You are given the root node of a...

xianyu ‧ 2024-10-19

0 Like 0 留言 605 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Validate Binary Search Tree

Description Validate Binary Search Tree Given the root of a binary tree, deter...

xianyu ‧ 2024-10-18

1 Like 0 留言 430 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Maximum Depth of Binary Tree

Description Maximum Depth of Binary Tree Given the root of a binary tree, retu...

xianyu ‧ 2024-10-18

0 Like 0 留言 438 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Tree Inorder Traversal

Description Binary Tree Inorder Traversal Given the root of a binary tree, ret...

xianyu ‧ 2024-10-18

1 Like 0 留言 425 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Happy String

Description Longest Happy String A string s is called happy if it satisfies th...

xianyu ‧ 2024-10-17

0 Like 0 留言 465 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Group Anagrams

Description Group Anagrams Given an array of strings strs, group theanagrams t...

xianyu ‧ 2024-10-17

0 Like 0 留言 308 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Top K Frequent Elements

Description Top K Frequent Elements Given an integer array nums and an integer...

xianyu ‧ 2024-10-15

0 Like 0 留言 567 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques--LongestSubstringWithoutRepeatingCharacters

Description Longest Substring Without Repeating Characters Given a string s, f...

xianyu ‧ 2024-10-15

0 Like 0 留言 534 瀏覽

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Two Sum II - Input Array Is Sorted

Description Two Sum II - Input Array Is Sorted Given a 1-indexed array of inte...

xianyu ‧ 2024-10-15

0 Like 0 留言 464 瀏覽

鐵人賽佛心分享-刷題不只是刷題 DAY 7

Ruby刷題：沒那麼痛苦的痛苦面具系列第 30 篇

技術 DAY 30：Basic Calculator II 沒在排隊的LIFO堆疊!

☆(≧∀≦*)ﾉ嗨，我是wec，今天是DAY 30，最後一天嚕! 🔎 題目難度與描述難度：MEDIUM 題目描述：給定一個字符串表示的數學表達式，包含非負整...

wecc ‧ 2024-10-14

技術 383. Ransom Note

技術 133. Clone Graph

技術 3. Longest Substring Without Repeating Characters

技術 1. Two Sum

技術 Day 11 — BFS 入門（最短路徑、迷宮遍歷）

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Edit Distance

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Increasing Subsequence

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- House Robber

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Climbing Stairs

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Find Minimum in Rotated Sorted Array

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Search

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Sort Colors

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Merge Sorted Array

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Pacific Atlantic Water Flow

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Word Ladder

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Course Schedule

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Number of Islands

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Clone Graph

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Symmetric Tree

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Same Tree

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Insert into a Binary Search Tree

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Validate Binary Search Tree

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Maximum Depth of Binary Tree

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Tree Inorder Traversal

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Happy String

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Group Anagrams

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Top K Frequent Elements

技術 【LeetCode with C: A Series of Problem-Solving Techniques--LongestSubstringWithoutRepeatingCharacters

技術 【LeetCode with C: A Series of Problem-Solving Techniques】-- Two Sum II - Input Array Is Sorted

技術 DAY 30：Basic Calculator II 沒在排隊的LIFO堆疊!

標記使用者

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Edit Distance

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Increasing Subsequence

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- House Robber

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Climbing Stairs

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Find Minimum in Rotated Sorted Array

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Search

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Sort Colors

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Merge Sorted Array

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Pacific Atlantic Water Flow

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Word Ladder

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Course Schedule

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Number of Islands

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Clone Graph

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Symmetric Tree

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Same Tree

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Insert into a Binary Search Tree

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Validate Binary Search Tree

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Maximum Depth of Binary Tree

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Binary Tree Inorder Traversal

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Longest Happy String

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Group Anagrams

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Top K Frequent Elements

技術【LeetCode with C: A Series of Problem-Solving Techniques--LongestSubstringWithoutRepeatingCharacters

技術【LeetCode with C: A Series of Problem-Solving Techniques】-- Two Sum II - Input Array Is Sorted