iT 邦幫忙::一起幫忙解決難題，拯救 IT 人的一天

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鐵人賽自我挑戰組 DAY 1

每天早起刷一題系列第 1 篇

技術 [1/30][Easy] Two Sum

起床時間：0500從最簡單的Two Sum開刷！題目 Given an array of integers nums and an integer targe...

Lora ‧ 2025-08-19

0 Like 0 留言 884 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 1010 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 770 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 1071 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 927 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 938 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 876 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 785 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 667 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 595 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 555 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 727 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 707 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 481 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 516 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 502 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 595 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 423 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 425 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 418 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 458 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 301 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 556 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 527 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

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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

0 Like 0 留言 287 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 29 篇

技術 DAY 29：Daily Temperatures 沒在排隊的LIFO堆疊!

ヾ(･∀･)ﾉ嗨，我是wec，今天是DAY 29。 🔎 題目難度與描述難度：MEDIUM 題目描述：給定一個整數數組temperatures，表示每天的溫度...

wecc ‧ 2024-10-14

0 Like 0 留言 361 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 28 篇

技術 DAY 28：Evaluate Reverse Polish Notation 沒在排隊的LIFO堆疊!

(*･∀-)b嗨，我是wec，今天是DAY 28。 🔎 題目難度與描述難度：MEDIUM 題目描述：給定一個表示逆波蘭表示法的數字和運算符的列表，請計算並返...

wecc ‧ 2024-10-14

0 Like 0 留言 294 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 27 篇

技術 DAY 27：Restore IP Addresses 經一事長一智的回溯法!

。･∀･)ﾉ゛嗨，我是wec，今天是DAY 27。 🔎 題目難度與描述難度：MEDIUM 題目描述：給定一個只包含數字的字符串，請將其還原為所有可能的有效的...

wecc ‧ 2024-10-14

0 Like 0 留言 451 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 26 篇

技術 DAY 26：Permutations II 經一事長一智的回溯法!

(^-^)ゞ嗨，我是wec，今天是DAY 26。 🔎 題目難度與描述難度：MEDIUM 題目描述：給定一個可包含重複數字的整數數組nums，返回這些數字的所...

wecc ‧ 2024-10-14

技術 [1/30][Easy] Two Sum

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!

技術 DAY 29：Daily Temperatures 沒在排隊的LIFO堆疊!

技術 DAY 28：Evaluate Reverse Polish Notation 沒在排隊的LIFO堆疊!

技術 DAY 27：Restore IP Addresses 經一事長一智的回溯法!

技術 DAY 26：Permutations II 經一事長一智的回溯法!

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