save project

binary_search.py

 # 使用二分查找法，找出9和20在列表里面的索引
 # 使用二分查找法，找出9和20在列表里面的索引
-num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+a = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
\ No newline at end of file
+def c(n):
+    z=0
+    x=9
+    while True:
+        v=(z+x)//2
+        b=a[v]
+        if b==n:
+            print("hhhhhh")
+            print(v)
+            break
+        elif b<9:
+            z=v+1
+        else:
+            x=v-1
+        if z>x:
+            print(cao)
+            break
+c(3)