⚠️Challenge: how many odious numbers smaller than 10.000 can you find⚠️

Question

odious numbers are non-negative numbers that have an odd number of ones in the binary expansion
# 21 = 10101 = 3
# 50 = 110010 = 3
Challenge: how many odious numbers smaller than 10000 can you find?

edit: first of all, thanks to everyone for the massive response!! And of course thanks to Sololearn for making my first post ever COTD!

Now, the answer is indeed: 5000.
the solution is in fact quite simple:
https://code.sololearn.com/cSURNat0z4aN/#rb

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WALL OF FAME (sorry if I missed yours)
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Phython https://code.sololearn.com/cTYPIZDj3jAe
C# https://code.sololearn.com/cSMFtFx0ppSE/
Java https://code.sololearn.com/cY4Q8IWoXED7/
Ruby https://code.sololearn.com/cBS3MX4AJ5AG/ (ONELINER!)
C https://code.sololearn.com/csYPoI3aYW3Z#c (ASSEMBLER!)
C++ https://code.sololearn.com/chPjNwhxSn9G/
Python https://code.sololearn.com/cX4YOhrrwTT4/
Python https://code.sololearn.com/cypCqoU0rX (ONELINER!)
PHP https://code.sololearn.com/wtNdvjh16Ac9/
C++ https://code.sololearn.com/cAgm43t2SjAp/
PHP https://code.sololearn.com/wtHvYfDAoc1d/
C# https://code.sololearn.com/cT4V6XIp87AV/ (ONELINER!)
Python https://code.sololearn.com/c5jF395sA9hZ
Javascript https://code.sololearn.com/W3hRTRmTmctd/
Java https://code.sololearn.com/cliBAk1pL59h/
C# https://code.sololearn.com/cTR605gBHs6H/ (PURE MATHS!)
C# https://code.sololearn.com/ccMSQT42vXXd/
Python https://code.sololearn.com/c5LP4b4H85ra/ (MATH)
Web https://code.sololearn.com/WN8491v4583Q/
C++ https://code.sololearn.com/c8F2EP6kdIK0/ (FLOAT)
Web https://code.sololearn.com/WN7olfJj5VH4/
C++ https://code.sololearn.com/cbU813A6sLeC/

Answer 1

Here's onliner code 😊
Ruby is awesome 🤓
https://code.sololearn.com/cBS3MX4AJ5AG/?ref=app

Answer 2

I will attempt this tomorrow my friend.
Edit: Here it is:
https://code.sololearn.com/cWUr9TunveUH/?ref=app

Answer 3

print(len([j for j in range(10001) if str(bin(j)).count('1')&1]))

#One liner in Python

Answer 4

My try in Ruby 😉
https://code.sololearn.com/caI6Dh2E7heb/?ref=app

Answer 5

5000 numbers are odious, which are less than 10000
https://code.sololearn.com/c7J6dwv5xs7r/?ref=app

Answer 6

Done :
https://code.sololearn.com/cGd90xz6jql2/?ref=app
Due to limitations of sololearn app , the limit can exceed a certain number . So it stops by showing :
time limit exceeded
EDIT : Displayed the number of numbers odius between 0 to 10000

Answer 7

https://code.sololearn.com/c1pYxJ2gNPt9/?ref=app

Answer 8

Made this till now.. Will complete it tomorrow😴
https://code.sololearn.com/cn5oFwDUZWx4/?ref=app

Answer 9

my try in java
https://code.sololearn.com/choS0va6Za5c/#java

Answer 10

Here's mine!!
https://code.sololearn.com/cA4ggc0lEs1o/?ref=app

Answer 11

Here.....
https://code.sololearn.com/caRy4hE23gyR/?ref=app

Answer 12

My try

https://code.sololearn.com/ctCbgbltZVWv/?ref=app

Answer 13

https://code.sololearn.com/cY4Q8IWoXED7/?ref=app

Answer 14

5000, not 5001 (SMALLER then 10000, without 10000)

Answer 15

My solution in JAVA
Answer : 5000
https://code.sololearn.com/cY6xgEqT8fJ6/?ref=app

Answer 16

Well, here we go
https://code.sololearn.com/wtNdvjh16Ac9/?ref=app

Answer 17

@kartikey sahu
Niceeeeeee one liner

Answer 18

One liner in c#:

https://code.sololearn.com/cT4V6XIp87AV/?ref=app

Answer 19

My try
Edit: I am adding Java version
https://code.sololearn.com/cX4YOhrrwTT4/?ref=app
https://code.sololearn.com/c7W665eyjYhf/?ref=app

Answer 20

My one liner!
In Python 3
https://code.sololearn.com/cbm990nKWzAt/?ref=app