From c39ae0d3e1547b0fe3a4c98d332510b90b5c9229 Mon Sep 17 00:00:00 2001
From: rain-bus <rainandbus@gmail.com>
Date: Wed, 29 Apr 2026 11:36:37 +0800
Subject: [PATCH] init: hot100 algo project with .gitignore

---
 .gitignore             | 33 +++++++++++++++++++++++++++++++++
 01-two-sum/solution.py | 15 +++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 01-two-sum/solution.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8480e8a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+*.so
+*.egg
+*.egg-info/
+dist/
+build/
+.eggs/
+*.whl
+
+.env
+.venv
+env/
+venv/
+ENV/
+
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+.DS_Store
+Thumbs.db
+
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+htmlcov/
+.coverage
diff --git a/01-two-sum/solution.py b/01-two-sum/solution.py
new file mode 100644
index 0000000..2c4e4e6
--- /dev/null
+++ b/01-two-sum/solution.py
@@ -0,0 +1,15 @@
+from typing import List
+
+class Solution:
+    def twoSum(self, nums: List[int], target: int) -> List[int]:
+        hash = {}
+        for i, num in enumerate(nums):
+            another = target - num
+            if another in hash:
+                return [hash[another], i]
+            hash[num] = i
+
+
+if __name__ == "__main__":
+    res = Solution().twoSum([2,7,11,15], 9)
+    print(res)