From d32287e98e9550b47b403194ba6340bae8f87b4f Mon Sep 17 00:00:00 2001
From: BellCodeEditor <bellcode_dev@bell.ai>
Date: Sat, 16 Mar 2024 16:01:54 +0800
Subject: [PATCH] save project
---
my_search.py | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/my_search.py b/my_search.py
index 6eaf4dc..ff0ee1d 100644
--- a/my_search.py
+++ b/my_search.py
@@ -6,4 +6,20 @@ for i in range(1, 101):
num = random.choice(alist)
# 请完善二分查找函数binary_search(),查找出num在列表alist里面的索引位置
-def binary_search(alist,num):
\ No newline at end of file
+def binary_search(alist,num):
+ low=0
+ high=len(alist)-1
+ while True:
+ mid=(low+high)//2#中间索引值
+ guess=alist[mid]#中间索引位置对应的数
+ if guess==num:
+ print('找到了')
+ return mid
+ elif guess<num:
+ low=mid+1
+ else:
+ high=mid-1
+ return None
+result=binary_search(alist,num)
+print(result)
+print('找到的数是',num,'它在列表中的索引值为',result)
\ No newline at end of file
--
libgit2 0.25.0