Charlie總瀏覽 —
刷題
解題紀錄與近期 AC，依難度分類瀏覽（目前同步 LeetCode）。
@jack755051 · 更新於 2026/11/06 上午08:04
總計
101
Easy
78
Medium
20
Hard
3
- Easy
#258
Add Digits
- Math
- Simulation
- Number Theory
- Easy
#1251
Average Selling Price
- Database
- Easy
#1179
Reformat Department Table
- Database
- Easy
#1148
Article Views I
- Database
- Easy
#1141
User Activity for the Past 30 Days I
- Database
- Medium
#2161
Partition Array According to Given Pivot
- Array
- Two Pointers
- Simulation
- Easy
#495
Teemo Attacking
- Array
- Simulation
- Easy
#414
Third Maximum Number
- Array
- Sorting
- Easy
#14
Longest Common Prefix
- Array
- String
- Trie
- Medium
#1907
Count Salary Categories
- Database
- Medium
#1934
Confirmation Rate
- Database
- Medium
#1070
Product Sales Analysis III
- Database
- Easy
#263
Ugly Number
- Math
- Medium
#137
Single Number II
- Array
- Bit Manipulation
- Easy
#112
Path Sum
- Tree
- Depth-First Search
- Breadth-First Search
- Binary Tree
- Easy
#3870
Count Commas in Range
- Math
- Medium
#3220
Odd and Even Transactions
- Database
- Hard
#262
Trips and Users
- Database
- Hard
#185
Department Top Three Salaries
- Database
- Medium
#184
Department Highest Salary
- Database