fork download
copy 
  1. a = [1, 2, 4 ,6, 3, 7, 8]
  2. s = 0
  3. for i in a:
  4.     s = s + i
  5. w = ((len(a) + 1) * ( len(a) + 2 ) )//2
  6. print(w-s)
  7.  
Success #stdin #stdout 0.1s 10104KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5
https://ideone.com/4DMMfv
Find the Missing Number
language:
Python 3 (python  3.9.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!