Update README.md format and enhance problem listing; add functionality to fetch problem stats

Author: hantdev

README.md

@@ -1,13 +1,19 @@
-# Coding Everyday Until I Get A Job
-
-## LeetCode Solutions
-
-| # | Title | Solution | Type | Difficulty |
-|---| ----- | -------- | ---------- | ---------- |
-|0001|[Two Sum](https://leetcode.com/problems/two-sum/description/)|[Python](./array_hashing/0001-two-sum.py)|Array Hashing| Easy |
-|0020|[Valid Parentheses](https://leetcode.com/problems/valid-parentheses/description/)|[Python](./stack/0020-valid-parentheses.py)|Stack| Easy |
-|0049|[Group Anagrams](https://leetcode.com/problems/group-anagrams/description/)|[Python](./array_hashing/0049-group-anagrams.py)|Array Hashing| Medium |
-|0125|[Valid Palindrome](https://leetcode.com/problems/valid-palindrome/description/)|[Python](./two_pointers/0125-valid-palindrome.py)|Two Pointers| Easy |
-|0217|[Contains Duplicate](https://leetcode.com/problems/contains-duplicate/description/)|[Python](./array_hashing/0217-contains-duplicate.py)|Array Hashing| Easy |
-|0242|[Valid Anagram](https://leetcode.com/problems/valid-anagram/description/)|[Python](./array_hashing/0242-valid-anagram.py)|Array Hashing| Easy |
-|0347|[Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/description/)|[Python](./array_hashing/0347-top-k-frequent-elements.py)|Array Hashing| Medium |
+# 📌 LeetCode Solutions - Coding Every Day Until I Get A Job
+
+Welcome to my LeetCode solutions repository! 🚀 Here, I solve coding challenges every day to improve my problem-solving skills and prepare for technical interviews. 
+
+## 🔥 Problem List
+
+| # | Title | Solution | Tags | Difficulty |
+|---| ----- | -------- | ---------- | ---- |
+|0001|[Two Sum](https://leetcode.com/problems/two-sum/description/)|[Python](./array_hashing/0001-two-sum.py)| Easy | Array, Hash Table | 
+|0020|[Valid Parentheses](https://leetcode.com/problems/valid-parentheses/description/)|[Python](./stack/0020-valid-parentheses.py)| Easy | String, Stack | 
+|0049|[Group Anagrams](https://leetcode.com/problems/group-anagrams/description/)|[Python](./array_hashing/0049-group-anagrams.py)| Medium | Array, Hash Table, String, Sorting | 
+|0125|[Valid Palindrome](https://leetcode.com/problems/valid-palindrome/description/)|[Python](./two_pointers/0125-valid-palindrome.py)| Easy | Two Pointers, String | 
+|0217|[Contains Duplicate](https://leetcode.com/problems/contains-duplicate/description/)|[Python](./array_hashing/0217-contains-duplicate.py)| Easy | Array, Hash Table, Sorting | 
+|0242|[Valid Anagram](https://leetcode.com/problems/valid-anagram/description/)|[Python](./array_hashing/0242-valid-anagram.py)| Easy | Hash Table, String, Sorting | 
+|0347|[Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/description/)|[Python](./array_hashing/0347-top-k-frequent-elements.py)| Medium | Array, Hash Table, Divide and Conquer, Sorting, Heap (Priority Queue), Bucket Sort, Counting, Quickselect | 
+
+## 🚀 Keep Coding & Stay Motivated!
+
+Happy coding! 😊

automata.py

@@ -1,3 +1,75 @@
+# import os
+# import re
+# import requests
+
+# def extract_problem_info(file_path):
+#     match = re.match(r"(\d+)-([a-z0-9-]+)\.py", os.path.basename(file_path))
+#     if match:
+#         problem_number, slug = match.groups()
+#         return int(problem_number), slug, f"[{slug.replace('-', ' ').title()}](https://leetcode.com/problems/{slug}/description/)"
+#     return None, None, None
+
+# def get_problem_stats(slug):
+#     url = "https://leetcode.com/graphql"
+#     query = """
+#     query getQuestionStats($titleSlug: String!) {
+#       question(titleSlug: $titleSlug) {
+#         difficulty
+#         topicTags {
+#           name
+#         }
+#       }
+#     }
+#     """
+#     response = requests.post(url, json={"query": query, "variables": {"titleSlug": slug}})
+#     try:
+#         data = response.json()["data"]["question"]
+#         difficulty = data["difficulty"]
+#         tags = ", ".join(tag["name"] for tag in data["topicTags"])
+#         return difficulty, tags
+#     except (KeyError, TypeError):
+#         return "Unknown", "Unknown"
+
+# def build_readme():
+#     topics = [d for d in os.listdir('.') if os.path.isdir(d)]
+#     problem_entries = []
+    
+#     for topic in topics:
+#         for file in os.listdir(topic):
+#             if file.endswith(".py"):
+#                 problem_number, slug, problem_title = extract_problem_info(file)
+#                 if problem_number:
+#                     difficulty, tags, accepted, submissions, acceptance_rate = get_problem_stats(slug)
+#                     problem_entries.append((problem_number, problem_title, f"[Python](./{topic}/{file})", difficulty, tags, accepted, submissions, acceptance_rate))
+    
+#     problem_entries.sort()
+    
+#     table_header = "| # | Title | Solution | Tags | Difficulty |\n|---| ----- | -------- | ---------- | ---- | -------- | ----------- | --------------- |"
+#     table_rows = []
+    
+#     for number, title, solution, tags, difficulty in problem_entries:
+#         table_rows.append(f"|{number:04d}|{title}|{solution}| {tags} | {difficulty} | ")
+    
+#     table_content = "\n".join([table_header] + table_rows)
+#     readme_content = f"""# 📌 LeetCode Solutions - Coding Every Day Until I Get A Job
+
+# Welcome to my LeetCode solutions repository! 🚀 Here, I solve coding challenges every day to improve my problem-solving skills and prepare for technical interviews. 
+
+# ## 🔥 Problem List
+
+# {table_content}
+
+# ## 🚀 Keep Coding & Stay Motivated!
+
+# Happy coding! 😊"""
+    
+#     with open("README.md", "w", encoding="utf-8") as f:
+#         f.write(readme_content)
+
+# if __name__ == "__main__":
+#     build_readme()
+#     print("README.md has been updated!")
+
 import os
 import re
 import requests
@@ -9,21 +81,26 @@ def extract_problem_info(file_path):
         return int(problem_number), slug, f"[{slug.replace('-', ' ').title()}](https://leetcode.com/problems/{slug}/description/)"
     return None, None, None
 
-def get_problem_difficulty(slug):
+def get_problem_stats(slug):
     url = "https://leetcode.com/graphql"
     query = """
-    query getQuestionDifficulty($titleSlug: String!) {
+    query getQuestionStats($titleSlug: String!) {
       question(titleSlug: $titleSlug) {
         difficulty
+        topicTags {
+          name
+        }
       }
     }
     """
     response = requests.post(url, json={"query": query, "variables": {"titleSlug": slug}})
     try:
-        data = response.json()
-        return data["data"]["question"]["difficulty"]
+        data = response.json()["data"]["question"]
+        difficulty = data["difficulty"]
+        tags = ", ".join(tag["name"] for tag in data["topicTags"])
+        return difficulty, tags
     except (KeyError, TypeError):
-        return "Unknown"
+        return "Unknown", "Unknown"
 
 def build_readme():
     topics = [d for d in os.listdir('.') if os.path.isdir(d)]
@@ -34,24 +111,29 @@ def build_readme():
             if file.endswith(".py"):
                 problem_number, slug, problem_title = extract_problem_info(file)
                 if problem_number:
-                    difficulty = get_problem_difficulty(slug)
-                    problem_entries.append((problem_number, problem_title, f"[Python](./{topic}/{file})", topic.replace('_', ' ').title(), difficulty))
+                    difficulty, tags = get_problem_stats(slug)
+                    problem_entries.append((problem_number, problem_title, f"[Python](./{topic}/{file})", difficulty, tags))
 
     problem_entries.sort()
 
-    table_header = "| # | Title | Solution | Type | Difficulty |\n|---| ----- | -------- | ---------- | ---------- |"
+    table_header = "| # | Title | Solution | Tags | Difficulty |\n|---| ----- | -------- | ---------- | ---- |"
     table_rows = []
 
-    for number, title, solution, topic, difficulty in problem_entries:
-        table_rows.append(f"|{number:04d}|{title}|{solution}|{topic}| {difficulty} |")
+    for number, title, solution, tags, difficulty in problem_entries:
+        table_rows.append(f"|{number:04d}|{title}|{solution}| {tags} | {difficulty} | ")
 
     table_content = "\n".join([table_header] + table_rows)
-    readme_content = f"""# Coding Everyday Until I Get A Job
+    readme_content = f"""# 📌 LeetCode Solutions - Coding Every Day Until I Get A Job
+
+Welcome to my LeetCode solutions repository! 🚀 Here, I solve coding challenges every day to improve my problem-solving skills and prepare for technical interviews. 
 
-## LeetCode Solutions
+## 🔥 Problem List
 
 {table_content}
-"""
+
+## 🚀 Keep Coding & Stay Motivated!
+
+Happy coding! 😊"""
 
     with open("README.md", "w", encoding="utf-8") as f:
         f.write(readme_content)