feat: migrate rules to .cursor (#70)

- migrate rules to .cursor
- add problem same_tree

Author: wislertt

.amazonq/plans/check_problem_lists.py

@@ -0,0 +1,61 @@
+# TODO: temporary use only while completing ongoing list
+
+import sys
+from pathlib import Path
+
+# Import the problem lists
+sys.path.append(str(Path(__file__).parent.parent.parent))
+from problem_lists import available_lists
+from problem_lists.utils import get_existing_problems
+
+
+def check_problem_list(tag_name, problem_tuples, existing_problems):
+    """Check how many problems from a list are available."""
+    problem_numbers = {num for num, _ in problem_tuples}
+    have = problem_numbers & existing_problems
+    missing = problem_numbers - existing_problems
+
+    print(f"\n=== {tag_name.upper()} ===")
+    print(f"Total problems: {len(problem_numbers)}")
+    print(f"Problems you have: {len(have)} ({len(have)/len(problem_numbers)*100:.1f}%)")
+    print(f"Problems missing: {len(missing)} ({len(missing)/len(problem_numbers)*100:.1f}%)")
+
+    if missing:
+        print(f"Missing problems: {sorted(missing)}")
+
+    return have, missing
+
+
+def check_problem_lists(tag_names=None):
+    """Check problem lists for available problems."""
+    if tag_names is None:
+        tag_names = list(available_lists.keys())
+
+    existing = get_existing_problems()
+    print(f"Total existing problems in JSON: {len(existing)}")
+
+    results = {}
+
+    # Check each specified list
+    for tag_name, problem_tuples in available_lists.items():
+        if tag_name in tag_names:
+            have, missing = check_problem_list(tag_name, problem_tuples, existing)
+            results[tag_name] = {"have": have, "missing": missing, "total": len(problem_tuples)}
+
+    # Summary
+    print("\n=== SUMMARY ===")
+    for tag_name, result in results.items():
+        total = result["total"]
+        have_count = len(result["have"])
+        percentage = have_count / total * 100
+        print(f"{tag_name}: {have_count}/{total} ({percentage:.1f}%)")
+
+    return results
+
+
+def main():
+    check_problem_lists()
+
+
+if __name__ == "__main__":
+    main()

.amazonq/plans/export_tags.py

@@ -0,0 +1,75 @@
+# TODO: temporary use only while completing ongoing list
+
+import sys
+from pathlib import Path
+
+# Import the problem lists
+sys.path.append(str(Path(__file__).parent.parent.parent))
+from problem_lists import available_lists
+from problem_lists.utils import get_existing_problems
+
+
+def get_next_problem(tag_names=None):
+    """Get the next problem to work on from the list with the lowest missing problems."""
+    if tag_names is None:
+        tag_names = list(available_lists.keys())
+
+    existing_problems = get_existing_problems()
+
+    # Find the list with the lowest missing problems
+    best_list = None
+    min_missing = float("inf")
+    missing_problems = []
+
+    for tag_name, problem_tuples in available_lists.items():
+        if tag_name in tag_names:
+            problem_numbers = {num for num, _ in problem_tuples}
+            missing = problem_numbers - existing_problems
+            missing_count = len(missing)
+
+            if missing_count > 0 and missing_count < min_missing:
+                min_missing = missing_count
+                best_list = tag_name
+                missing_problems = sorted(missing)
+
+    if not missing_problems:
+        print("No missing problems found in any of the specified lists!")
+        return None
+
+    # Get the first missing problem from the best list
+    next_problem_number = missing_problems[0]
+
+    # Find the problem name
+    problem_tuples = available_lists[best_list]
+    problem_name = None
+    for num, name in problem_tuples:
+        if num == next_problem_number:
+            problem_name = name
+            break
+
+    result = {
+        "tag_name": best_list,
+        "problem_number": next_problem_number,
+        "problem_name": problem_name,
+        "missing_count": min_missing,
+        "total_in_list": len(available_lists[best_list]),
+    }
+
+    return result
+
+
+def main():
+    next_problem = get_next_problem()
+    if next_problem:
+        completed = next_problem["total_in_list"] - next_problem["missing_count"]
+        total = next_problem["total_in_list"]
+        percentage = completed / total * 100
+
+        print("\n🎯 Next problem to work on:")
+        print(f"   Problem #{next_problem['problem_number']} - {next_problem['problem_name']}")
+        print(f"   Tag: {next_problem['tag_name']}")
+        print(f"   Progress: {completed}/{total} ({percentage:.1f}%)")
+
+
+if __name__ == "__main__":
+    main()

.cursor/.dev/check_problem_lists.py

@@ -0,0 +1,7 @@
+from . import algo_master_75, blind_75, neetcode_150
+
+available_lists = {
+    neetcode_150.tag_name: neetcode_150.problems_list,
+    algo_master_75.tag_name: algo_master_75.problems_list,
+    blind_75.tag_name: blind_75.problem_list,
+}

.cursor/.dev/next_problem.py

@@ -1,4 +1,6 @@
-algo_master_75_tuples = [
+tag_name = "algo-master-75"
+
+problems_list = [
     (2, "Add Two Numbers"),
     (3, "Longest Substring Without Repeating Characters"),
     (4, "Median of Two Sorted Arrays"),

.cursor/.dev/problem_lists/__init__.py

@@ -1,4 +1,6 @@
-blind_75_tuples = [
+tag_name = "blind-75"
+
+problem_list = [
     (1, "Two Sum"),
     (3, "Longest Substring Without Repeating Characters"),
     (5, "Longest Palindromic Substring"),

.amazonq/plans/algo_master_75_tuples.py renamed to .cursor/.dev/problem_lists/algo_master_75.py

@@ -1,4 +1,6 @@
-neetcode_150_tuples = [
+tag_name = "neetcode-150"
+
+problems_list = [
     (1, "Two Sum"),
     (2, "Add Two Numbers"),
     (3, "Longest Substring Without Repeating Characters"),

.amazonq/plans/blind_75_tuples.py renamed to .cursor/.dev/problem_lists/blind_75.py

@@ -0,0 +1,9 @@
+"""Shared utilities for problem list management."""
+
+from leetcode_py.cli.utils.problem_finder import _build_problem_number_cache
+
+
+def get_existing_problems():
+    """Get problem numbers from existing JSON files."""
+    cache = _build_problem_number_cache()
+    return set(cache.keys())