LeetCode Questions List
LeetCode Questions List
This page contains a comprehensive list of all LeetCode problems solved in this blog, organized by difficulty level, category, and solution approach.
Summary Statistics
- Total Problems: 1
- Easy: 1 problem
- Medium: 0 problems
- Hard: 0 problems
Problems by Category
Counts are computed from the Category + Solution Approach columns in the full table by tag matching (a problem can appear in multiple categories).
- Array & Matrix: Array & Matrix, Arrays & Strings
- String Processing: String Processing
- Linked List: Linked List
- Trees & Binary Trees: Trees, DFS, BFS
- Dynamic Programming: Dynamic Programming
- Backtracking: Backtracking
- Monotonic Stack / Queue: Stack
- Graph & Union Find: Graph
- Data Structure Design: Data Structure Design
- Intervals & Sweep Line: Greedy
- Math & Bit Manipulation: Math & Bit Manipulation
- Heap / Priority Queue: Heap
- Search: Search
See the All LeetCode Problems table below for concrete problems in each category.
Solution Approaches Summary
Most Common Approaches
- Dynamic Programming (DP) - template
- Monotonic Stack - template
- Binary Search - template
- Hash Map/Set - template
- DFS/BFS - DFS template, BFS template
- Backtracking - template
- Sliding Window - template
- Two Pointers - template
- Trie - template
- Union Find - template
- Sweep Line - template
- Data Structure Design - template
Guides & References
New to LeetCode or Rust? Start here. For a curated interview path, see the NeetCode 150 list (full breakdown in the Beginner’s Guide).
| Guide | Description |
|---|---|
| LeetCode Beginner’s Guide | What LeetCode is, how it works, difficulty levels, Blind 75, NeetCode 150 full problem list, and a step-by-step roadmap |
| Rust Guide | Learn Rust for competitive programming – language essentials, std, patterns, and modern Rust features |
| LeetCode Templates Index | All algorithm pattern templates with relationship diagram |
| NeetCode 150 (official) | 150 curated problems with progress tracking on NeetCode |
Total problems solved: 1
All LeetCode Problems
| Problem | Title | Difficulty | Category | Date Added |
|---|---|---|---|---|
| 1 | Two Sum | Easy | Array, Hash Map | 2026-09-22 |