auto save

my_search.py

-import random
-alist=[]
-for i in range(1, 101):
-    alist.append(i)
-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):
-    low=0
-    high=len(alist)-1
-    while low<=high:
-        mid=(low+high)//2
-        guess=alist[mid]
-        if guess==num:
-            return mid
-        elif guess<num:
-            low=mid+1
-        else:
-            high=mid-1
-    return None
-result=binary_search(alist,num)
-print(num)
-print(result)
+# import random
+# alist=[]
+# for i in range(1, 101):
+#     alist.append(i)
+# 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):
+#     low=0
+#     high=len(alist)-1
+#     while low<=high:
+#         mid=(low+high)//2
+#         guess=alist[mid]
+#         if guess==num:
+#             return mid
+#         elif guess<num:
+#             low=mid+1
+#         else:
+#             high=mid-1
+#     return None
+# result=binary_search(alist,num)
+# print(num)
+# print(result)
     # a=input(int('0，100的数'))
     # while i==a:
     #     if i==a:
@@ -36,4 +36,17 @@ print(result)
     #         b=input(int())  
     #         if i==b:
     #             print("找到了")
-    #             break
\ No newline at end of file
+    #             break
+a=int(input("三位数"))
+b=a//100
+c=a//10%10
+v=a//1%10
+if b>c and b>v:
+    print(b)
+elif c>b and c>v:
+    print(c)
+else:
+    print(v)
+
+
+