save project

diy2.py

 a=[1,2,3,4,5,6,7,8,9,0]
 a=[1,2,3,4,5,6,7,8,9,0]
 def h(n):
 def h(n):
     l=0
     l=0
-    r=len(a)
+    r=len(a)-1
     while l<=r:
     while l<=r:
         mid=(l+r)//2
         mid=(l+r)//2
         if a[mid]==n:
         if a[mid]==n: