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Oct 23, 2025
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Updated readme #69

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152 changes: 76 additions & 76 deletions README.md
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Expand Up @@ -9,7 +9,6 @@ Python-based LeetCode algorithm problem solutions, regularly updated.
> ["For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."](https://www.quora.com/How-effective-is-Leetcode-for-preparing-for-technical-interviews)

##
* [Graph Theory I](#graph-theory-i)
* [SQL I](#sql-i)
* [Level 1](#level-1)
* [Level 2](#level-2)
Expand All @@ -24,81 +23,7 @@ Python-based LeetCode algorithm problem solutions, regularly updated.
* [Dynamic Programming I](#dynamic-programming-i)
* [Programming Skills I](#programming-skills-i)
* [Programming Skills II](#programming-skills-ii)

### Graph Theory I

#### Day 1 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0200 |[Number of Islands](src/main/python/g0101_0200/s0200_number_of_islands/Solution0200.py)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 234 | 82.73

#### Day 2 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 3 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 4 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 5 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 6 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 7 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 8 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 9 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 10 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 11 Breadth First Search

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 12 Breadth First Search

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0433 |[Minimum Genetic Mutation](src/main/python/g0401_0500/s0433_minimum_genetic_mutation/Solution0433.py)| Medium | String, Hash_Table, Breadth_First_Search | 0 | 100.00
| 0127 |[Word Ladder](src/main/python/g0101_0200/s0127_word_ladder/Solution0127.py)| Hard | Top_Interview_Questions, String, Hash_Table, Breadth_First_Search | 21 | 99.65

#### Day 13 Graph Theory

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 14 Graph Theory

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
* [Graph Theory I](#graph-theory-i)

### SQL I

Expand Down Expand Up @@ -1753,6 +1678,81 @@ Python-based LeetCode algorithm problem solutions, regularly updated.
|-|-|-|-|-|-
| 0380 |[Insert Delete GetRandom O(1)](src/main/python/g0301_0400/s0380_insert_delete_getrandom_o1/RandomizedSet0380.py)| Medium | Array, Hash_Table, Math, Design, Randomized | 90 | 96.69

### Graph Theory I

#### Day 1 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0200 |[Number of Islands](src/main/python/g0101_0200/s0200_number_of_islands/Solution0200.py)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 234 | 82.73

#### Day 2 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 3 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 4 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 5 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 6 Matrix Related Problems

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 7 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 8 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 9 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 10 Standard Traversal

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 11 Breadth First Search

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 12 Breadth First Search

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0433 |[Minimum Genetic Mutation](src/main/python/g0401_0500/s0433_minimum_genetic_mutation/Solution0433.py)| Medium | String, Hash_Table, Breadth_First_Search | 0 | 100.00
| 0127 |[Word Ladder](src/main/python/g0101_0200/s0127_word_ladder/Solution0127.py)| Hard | Top_Interview_Questions, String, Hash_Table, Breadth_First_Search | 21 | 99.65

#### Day 13 Graph Theory

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

#### Day 14 Graph Theory

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-

## Algorithms

| # | Title | Difficulty | Tag | Time, ms | Time, %
Expand Down