chore: README

.github/workflows/postsubmit-cpp.yml → .github/workflows/code-health-cpp.yml

@@ -1,5 +1,5 @@
 ---
-name: Postsubmit (C++)
+name: Code Health (C++)
 
 on: # yamllint disable-line rule:truthy
   push:

.github/workflows/postsubmit-py.yml → .github/workflows/code-health-py.yml

@@ -1,5 +1,5 @@
 ---
-name: Postsubmit (Python)
+name: Code Health (Python)
 
 on: # yamllint disable-line rule:truthy
   push:

.github/workflows/presubmit-cpp.yml

@@ -41,8 +41,12 @@ jobs:
           CHANGED_CPP_FILES=$(echo "$CHANGED_FILES" | \
             grep -E '\.(cc|cpp|cxx|c\+\+|h|hpp|hxx|h\+\+)$' || true)
 
+          # Filter for C++ files specifically in the problems directory
+          CHANGED_CPP_PROBLEMS_FILES=$(echo "$CHANGED_CPP_FILES" | \
+            grep -E '^problems/' || true)
+
           # Extract unique problem directories from changed C++ files
-          CHANGED_PROBLEMS=$(echo "$CHANGED_CPP_FILES" | \
+          CHANGED_PROBLEMS=$(echo "$CHANGED_CPP_PROBLEMS_FILES" | \
             grep -E '^problems/[^/]+/' | cut -d'/' -f2 | \
             sort -u | tr '\n' ' ' || true)
 
@@ -57,13 +61,15 @@ jobs:
 
           echo "Changed C++ files:"
           echo "$CHANGED_CPP_FILES"
+          echo "Changed C++ files in problems/:"
+          echo "$CHANGED_CPP_PROBLEMS_FILES"
           echo "Changed problems: $CHANGED_PROBLEMS"
           echo "C++ config changes: $CPP_CONFIG_CHANGES"
           echo "Common directory changes: $COMMON_CHANGES"
 
           # Set outputs
           echo "changed_problems=$CHANGED_PROBLEMS" >> $GITHUB_OUTPUT
-          echo "has_cpp_changes=$([ -n "$CHANGED_CPP_FILES" ] && \
+          echo "has_cpp_changes=$([ -n "$CHANGED_CPP_PROBLEMS_FILES" ] && \
             echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
           echo "has_cpp_config_changes=$([ -n "$CPP_CONFIG_CHANGES" ] && \
             echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
@@ -137,7 +143,7 @@ jobs:
             "false" ] && \
             [ "${{ steps.detect-changes.outputs.has_common_changes }}" = \
             "false" ]; then
-            echo "- No C++ files changed - skipped all tasks" >> \
+            echo "- No C++ files in problems/ changed - skipped all tasks" >> \
             $GITHUB_STEP_SUMMARY
           elif [ "${{ steps.detect-changes.outputs.should_run_all_tests }}" = \
             "true" ]; then

.github/workflows/presubmit-python.yml

@@ -44,8 +44,12 @@ jobs:
           CHANGED_PYTHON_FILES=$(echo "$CHANGED_FILES" | \
             grep '\.py$' || true)
 
+          # Filter for Python files specifically in the problems directory
+          CHANGED_PYTHON_PROBLEMS_FILES=$(echo "$CHANGED_PYTHON_FILES" | \
+            grep -E '^problems/' || true)
+
           # Extract unique problem directories from changed Python files
-          CHANGED_PROBLEMS=$(echo "$CHANGED_PYTHON_FILES" | \
+          CHANGED_PROBLEMS=$(echo "$CHANGED_PYTHON_PROBLEMS_FILES" | \
             grep -E '^problems/[^/]+/' | cut -d'/' -f2 | \
             sort -u | tr '\n' ' ' || true)
 
@@ -55,12 +59,14 @@ jobs:
 
           echo "Changed Python files:"
           echo "$CHANGED_PYTHON_FILES"
+          echo "Changed Python files in problems/:"
+          echo "$CHANGED_PYTHON_PROBLEMS_FILES"
           echo "Changed problems: $CHANGED_PROBLEMS"
           echo "Python config changes: $PYTHON_CONFIG_CHANGES"
 
           # Set outputs
           echo "changed_problems=$CHANGED_PROBLEMS" >> $GITHUB_OUTPUT
-          echo "has_python_changes=$([ -n "$CHANGED_PYTHON_FILES" ] && \
+          echo "has_python_changes=$([ -n "$CHANGED_PYTHON_PROBLEMS_FILES" ] && \
             echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
           echo "has_python_config_changes=$([ -n "$PYTHON_CONFIG_CHANGES" ] && \
             echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
@@ -118,7 +124,7 @@ jobs:
             "false" ] && \
             [ "${{ steps.detect-changes.outputs.has_python_config_changes }}" \
             = "false" ]; then
-            echo "- No Python files changed - skipped all tasks" >> \
+            echo "- No Python files in problems/ changed - skipped all tasks" >> \
             $GITHUB_STEP_SUMMARY
           elif [ "${{ steps.detect-changes.outputs.should_run_all_tests }}" = \
             "true" ]; then

.github/workflows/update-badges.yml

@@ -0,0 +1,43 @@
+---
+name: Update Badges
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+  workflow_dispatch: # Allow manual triggering
+
+jobs:
+  update-badges:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Update badges
+        run: |
+          python3 scripts/update_badges.py
+
+      - name: Check for changes
+        id: verify-changed-files
+        run: |
+          if git diff --quiet; then
+            echo "changed=false" >> $GITHUB_OUTPUT
+          else
+            echo "changed=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit changes
+        if: steps.verify-changed-files.outputs.changed == 'true'
+        run: |
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          git add README.md
+          git commit -m "docs: update problem count badges [skip ci]"
+          git push

Makefile

@@ -263,6 +263,12 @@ stats:
 	@echo "Available problems:"
 	@for prob in $(SNAKE_CASE_PROBLEM_NAMES); do echo "  $(call color_cyan,- $$prob)"; done
 
+# Update README badges with current problem counts
+.PHONY: update-badges
+update-badges:
+	@echo "$(call color_green,Updating README badges...)"
+	@./scripts/update_badges.sh
+
 # Debug Google Test configuration
 .PHONY: debug-gtest
 debug-gtest:
@@ -329,6 +335,7 @@ help:
 	@echo "$(call color_yellow,Utility Targets:)"
 	@echo "  clean              		- Clean build artifacts"
 	@echo "  stats              		- Show project statistics"
+	@echo "  update-badges      		- Update README badges with current problem counts"
 	@echo "  debug-gtest        		- Debug Google Test configuration"
 	@echo "  help               		- Show this help message"
 	@echo ""

README.md

@@ -1,10 +1,24 @@
-# Leetcode
+# 🧮 LeetCode Solutions
 
-[![Code Health (C++)](https://github.com/mathusanm6/LeetCode/actions/workflows/postsubmit-cpp.yml/badge.svg)](https://github.com/mathusanm6/LeetCode/actions/workflows/postsubmit-cpp.yml)
-[![C++ Linter](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-cpp.yml/badge.svg)](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-cpp.yml)
+<div align="center">
 
-[![Code Health (Python)](https://github.com/mathusanm6/LeetCode/actions/workflows/postsubmit-py.yml/badge.svg)](https://github.com/mathusanm6/LeetCode/actions/workflows/postsubmit-py.yml)
-[![Python Linter](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-py.yml/badge.svg)](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-py.yml)
+### 🔬 Code Health & Testing
+
+[![C++ Tests](https://img.shields.io/github/actions/workflow/status/mathusanm6/LeetCode/code-health-cpp.yml?branch=main&label=C%2B%2B%20Tests&logo=cplusplus&logoColor=white&style=for-the-badge)](https://github.com/mathusanm6/LeetCode/actions/workflows/code-health-cpp.yml)
+[![Python Tests](https://img.shields.io/github/actions/workflow/status/mathusanm6/LeetCode/code-health-py.yml?branch=main&label=Python%20Tests&logo=python&logoColor=white&style=for-the-badge)](https://github.com/mathusanm6/LeetCode/actions/workflows/code-health-py.yml)
+
+### 🔍 Code Quality & Linting
+
+[![C++ Linter](https://img.shields.io/github/actions/workflow/status/mathusanm6/LeetCode/linter-cpp.yml?branch=main&label=C%2B%2B%20Linter&logo=cplusplus&logoColor=white&style=for-the-badge&color=blue)](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-cpp.yml)
+[![Python Linter](https://img.shields.io/github/actions/workflow/status/mathusanm6/LeetCode/linter-py.yml?branch=main&label=Python%20Linter&logo=python&logoColor=white&style=for-the-badge&color=blue)](https://github.com/mathusanm6/LeetCode/actions/workflows/linter-py.yml)
+
+### 📊 Repository Stats
+
+[![Last Commit](https://img.shields.io/github/last-commit/mathusanm6/LeetCode?style=for-the-badge&logo=git&logoColor=white)](https://github.com/mathusanm6/LeetCode/commits/main)
+[![C++ Solutions](https://img.shields.io/badge/C%2B%2B%20Solutions-2-blue?style=for-the-badge&logo=cplusplus&logoColor=white)](https://github.com/mathusanm6/LeetCode/tree/main/problems)
+[![Python Solutions](https://img.shields.io/badge/Python%20Solutions-2-green?style=for-the-badge&logo=python&logoColor=white)](https://github.com/mathusanm6/LeetCode/tree/main/problems)
+
+</div>
 
 ## Description
 

scripts/update_badges.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env python3
+"""
+Script to automatically update README badges with current problem counts.
+This script counts the number of solved problems in each language and updates the README.md file.
+"""
+
+import os
+import re
+from pathlib import Path
+
+
+def count_cpp_problems():
+    """Count C++ problems in the problems directory."""
+    problems_dir = Path("problems")
+    if not problems_dir.exists():
+        return 0
+
+    cpp_count = 0
+    for problem_dir in problems_dir.iterdir():
+        if problem_dir.is_dir():
+            # Check if this problem has C++ files
+            cpp_files = list(problem_dir.glob("*.cc")) + list(problem_dir.glob("*.cpp"))
+            if cpp_files:
+                cpp_count += 1
+
+    return cpp_count
+
+
+def count_python_problems():
+    """Count Python problems in the problems directory."""
+    problems_dir = Path("problems")
+    if not problems_dir.exists():
+        return 0
+
+    python_count = 0
+    for problem_dir in problems_dir.iterdir():
+        if problem_dir.is_dir():
+            # Check if this problem has Python files
+            python_files = list(problem_dir.glob("*.py"))
+            if python_files:
+                python_count += 1
+
+    return python_count
+
+
+def update_readme_badges(cpp_count, python_count):
+    """Update the README.md file with new badge counts."""
+    readme_path = Path("README.md")
+    if not readme_path.exists():
+        print("ERROR: README.md not found!")
+        return False
+
+    # Read the current README content
+    with open(readme_path, "r", encoding="utf-8") as f:
+        content = f.read()
+
+    # Define the new badge lines
+    cpp_badge = f"[![C++ Solutions](https://img.shields.io/badge/C%2B%2B%20Solutions-{cpp_count}-blue?style=for-the-badge&logo=cplusplus&logoColor=white)](https://github.com/mathusanm6/LeetCode/tree/main/problems)"
+    python_badge = f"[![Python Solutions](https://img.shields.io/badge/Python%20Solutions-{python_count}-green?style=for-the-badge&logo=python&logoColor=white)](https://github.com/mathusanm6/LeetCode/tree/main/problems)"
+
+    # Update C++ badge
+    cpp_pattern = r"\[\!\[C\+\+ Solutions\].*?\)\]\(.*?\)"
+    if re.search(cpp_pattern, content):
+        content = re.sub(cpp_pattern, cpp_badge, content)
+    else:
+        print("WARNING: C++ badge pattern not found in README.md")
+
+    # Update Python badge
+    python_pattern = r"\[\!\[Python Solutions\].*?\)\]\(.*?\)"
+    if re.search(python_pattern, content):
+        content = re.sub(python_pattern, python_badge, content)
+    else:
+        print("WARNING: Python badge pattern not found in README.md")
+
+    # Write the updated content back
+    with open(readme_path, "w", encoding="utf-8") as f:
+        f.write(content)
+
+    return True
+
+
+def main():
+    """Main function to count problems and update badges."""
+    print("🔍 Counting solved problems...")
+
+    # Count problems in each language
+    cpp_count = count_cpp_problems()
+    python_count = count_python_problems()
+
+    print(f"📊 Found {cpp_count} C++ problems")
+    print(f"📊 Found {python_count} Python problems")
+
+    # Update the README
+    if update_readme_badges(cpp_count, python_count):
+        print("✅ README.md badges updated successfully!")
+        print(f"   C++ Solutions: {cpp_count}")
+        print(f"   Python Solutions: {python_count}")
+    else:
+        print("❌ Failed to update README.md")
+        return 1
+
+    return 0
+
+
+if __name__ == "__main__":
+    # Change to the repository root directory
+    script_dir = Path(__file__).parent
+    repo_root = script_dir.parent
+    os.chdir(repo_root)
+
+    exit(main())

scripts/update_badges.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+# Update README badges with current problem counts
+
+set -e
+
+# Get the directory of this script
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(dirname "$SCRIPT_DIR")"
+
+# Change to repository root
+cd "$REPO_ROOT"
+
+# Run the Python script
+python3 scripts/update_badges.py