Update README.md with latest statistics and improve file encoding handling in update_readme.py

Author: MishkatIT

README.md

@@ -2,8 +2,8 @@
 
 # 🏆 Problem Solving Statistics
 
-[![Last Updated](https://img.shields.io/badge/Last%20Updated-14%20January%202026-blue?style=for-the-badge)](https://github.com/MishkatIT/ProblemSolvingStats)
-[![Total Problems](https://img.shields.io/badge/Total%20Solved-2838-success?style=for-the-badge&logo=leetcode)](https://github.com/MishkatIT/ProblemSolvingStats)
+[![Last Updated](https://img.shields.io/badge/Last%20Updated-15%20January%202026-blue?style=for-the-badge)](https://github.com/MishkatIT/ProblemSolvingStats)
+[![Total Problems](https://img.shields.io/badge/Total%20Solved-2600-success?style=for-the-badge&logo=leetcode)](https://github.com/MishkatIT/ProblemSolvingStats)
 [![Platforms](https://img.shields.io/badge/Platforms-12-orange?style=for-the-badge)](https://github.com/MishkatIT/ProblemSolvingStats)
 
 ### 💻 Competitive Programming Journey
@@ -31,14 +31,14 @@
     <tr>
       <td><strong>🔴 Codeforces</strong></td>
       <td><a href="https://codeforces.com/profile/MishkatIT">MishkatIT</a></td>
-      <td align="center"><strong>2386</strong></td>
-      <td><img src="https://img.shields.io/badge/Progress-84.1%25-red?style=flat-square" alt="Codeforces Progress"/></td>
+      <td align="center"><strong>2600</strong></td>
+      <td><img src="https://img.shields.io/badge/Progress-100.0%25-red?style=flat-square" alt="Codeforces Progress"/></td>
     </tr>
     <tr>
       <td><strong>🟢 LeetCode</strong></td>
       <td><a href="https://leetcode.com/MishkatIT/">MishkatIT</a></td>
-      <td align="center"><strong>412</strong></td>
-      <td><img src="https://img.shields.io/badge/Progress-14.5%25-yellow?style=flat-square" alt="LeetCode Progress"/></td>
+      <td align="center"><strong>412 <br/><small>(last updated: unknown)</small></strong></td>
+      <td><img src="https://img.shields.io/badge/Progress-100.0%25-yellow?style=flat-square" alt="LeetCode Progress"/></td>
     </tr>
     <tr>
       <td><strong>🟣 Vjudge</strong></td>
@@ -55,7 +55,7 @@
     <tr>
       <td><strong>🟤 CodeChef</strong></td>
       <td><a href="https://www.codechef.com/users/MishkatIT">MishkatIT</a></td>
-      <td align="center"><strong>3</strong></td>
+      <td align="center"><strong>3 <br/><small>(last updated: unknown)</small></strong></td>
       <td><img src="https://img.shields.io/badge/Progress-0.1%25-brown?style=flat-square" alt="CodeChef Progress"/></td>
     </tr>
     <tr>
@@ -73,7 +73,7 @@
     <tr>
       <td><strong>🟡 LightOJ</strong></td>
       <td><a href="https://lightoj.com/user/mishkatit">MishkatIT</a></td>
-      <td align="center"><strong>31</strong></td>
+      <td align="center"><strong>31 <br/><small>(last updated: unknown)</small></strong></td>
       <td><img src="https://img.shields.io/badge/Progress-1.1%25-yellow?style=flat-square" alt="LightOJ Progress"/></td>
     </tr>
     <tr>
@@ -91,7 +91,7 @@
     <tr>
       <td><strong>🔷 UVa</strong></td>
       <td><a href="https://uhunt.onlinejudge.org/id/1615470">MishkatIT</a></td>
-      <td align="center"><strong>6</strong></td>
+      <td align="center"><strong>6 <br/><small>(last updated: unknown)</small></strong></td>
       <td><img src="https://img.shields.io/badge/Progress-0.2%25-blue?style=flat-square" alt="UVa Progress"/></td>
     </tr>
     <tr>
@@ -104,7 +104,7 @@
   <tfoot>
     <tr>
       <td colspan="2" align="center"><strong>🎖️ TOTAL</strong></td>
-      <td align="center"><strong style="font-size: 1.2em;">2838</strong></td>
+      <td align="center"><strong style="font-size: 1.2em;">2600</strong></td>
       <td align="center"><strong>100%</strong></td>
     </tr>
   </tfoot>
@@ -119,7 +119,7 @@
 | 🥇 Top Platform | 🎯 Main Focus | 📚 Platforms Active |
 |:---------------:|:-------------:|:------------------:|
 | **Codeforces** | **Competitive Programming** | **12** |
-| 2386 Problems | Algorithm Mastery | Multi-Platform |
+| 2600 Problems | Algorithm Mastery | Multi-Platform |
 
 </div>
 

update_readme.py

@@ -12,7 +12,7 @@
 def load_stats():
     """Load statistics from stats.json file."""
     try:
-        with open('stats.json', 'r') as f:
+        with open('stats.json', 'r', encoding='utf-8') as f:
             return json.load(f)
     except FileNotFoundError:
         print("stats.json not found. Please run update_stats.py first.")
@@ -26,13 +26,29 @@ def load_last_known_info():
     """Load last known counts and dates."""
     try:
         if os.path.exists('last_known_counts.json'):
-            with open('last_known_counts.json', 'r') as f:
+            with open('last_known_counts.json', 'r', encoding='utf-8') as f:
                 return json.load(f)
     except Exception as e:
         print(f"Warning: Could not load last known counts: {e}")
     return {'counts': {}, 'dates': {}}
 
 
+def _read_text_file(path):
+    """Read a text file using UTF-8 (with BOM support).
+
+    On Windows, the default encoding can be cp1252 which may fail for UTF-8 files.
+    """
+    for encoding in ('utf-8', 'utf-8-sig'):
+        try:
+            with open(path, 'r', encoding=encoding) as f:
+                return f.read()
+        except UnicodeDecodeError:
+            continue
+    # Last resort: replace undecodable bytes so the update can proceed.
+    with open(path, 'r', encoding='utf-8', errors='replace') as f:
+        return f.read()
+
+
 def calculate_total(stats):
     """Calculate total solved problems."""
     total = 0
@@ -59,8 +75,7 @@ def update_readme(stats, last_known_info=None):
 
     # Read current README
     try:
-        with open('README.md', 'r') as f:
-            readme_content = f.read()
+        readme_content = _read_text_file('README.md')
     except FileNotFoundError:
         print("README.md not found")
         return False
@@ -207,7 +222,7 @@ def update_readme(stats, last_known_info=None):
 
     # Write updated README
     try:
-        with open('README.md', 'w') as f:
+        with open('README.md', 'w', encoding='utf-8', newline='\n') as f:
             f.write(readme_content)
         print(f"✓ README.md updated successfully!")
         print(f"  Total problems: {total}")