From 85b726d8cb0f771e66d2e6ba0fbc4aed7490bf08 Mon Sep 17 00:00:00 2001
From: Zane Xu <zane.xu.ai@gmail.com>
Date: Thu, 26 Feb 2026 16:49:59 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4a.txt=E5=92=8Cmain.py?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6?=
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删除测试文件a.txt和二分查找实现main.py

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 a.txt   |  1 -
 main.py | 56 --------------------------------------------------------
 2 files changed, 57 deletions(-)
 delete mode 100644 a.txt
 delete mode 100644 main.py

diff --git a/a.txt b/a.txt
deleted file mode 100644
index 4b70474..0000000
--- a/a.txt
+++ /dev/null
@@ -1 +0,0 @@
-测试git功能
diff --git a/main.py b/main.py
deleted file mode 100644
index c938048..0000000
--- a/main.py
+++ /dev/null
@@ -1,56 +0,0 @@
-def binary_search(arr, target):
-    """
-    二分查找算法
-    返回目标值在数组中的索引，如果不存在则返回 -1
-    """
-    left, right = 0, len(arr) - 1
-
-    while left <= right:
-        mid = left + (right - left) // 2  # 防止溢出
-
-        if arr[mid] == target:
-            return mid
-        elif arr[mid] < target:
-            left = mid + 1
-        else:
-            right = mid - 1
-
-    return -1
-
-
-def test_binary_search():
-    """测试二分查找函数"""
-    test_cases = [
-        # (数组, 目标值, 期望索引)
-        ([1, 2, 3, 4, 5], 3, 2),
-        ([1, 2, 3, 4, 5], 1, 0),
-        ([1, 2, 3, 4, 5], 5, 4),
-        ([1, 2, 3, 4, 5], 0, -1),
-        ([1, 2, 3, 4, 5], 6, -1),
-        ([], 5, -1),
-        ([5], 5, 0),
-        ([5], 3, -1),
-        ([1, 3, 5, 7, 9], 7, 3),
-        ([1, 3, 5, 7, 9], 2, -1),
-    ]
-
-    all_passed = True
-    for i, (arr, target, expected) in enumerate(test_cases):
-        result = binary_search(arr, target)
-        if result == expected:
-            print(f"测试用例 {i + 1} 通过: binary_search({arr}, {target}) = {result}")
-        else:
-            print(f"测试用例 {i + 1} 失败: binary_search({arr}, {target}) = {result}, 期望 {expected}")
-            all_passed = False
-
-    if all_passed:
-        print("所有测试用例通过!")
-    else:
-        print("部分测试用例失败!")
-
-    return all_passed
-
-
-if __name__ == "__main__":
-    # 运行测试
-    test_binary_search()
\ No newline at end of file