post score into facebook or twitter wall

Hi,
I am new in Cocos2dX and developing a game in Cocos2dX with C++.
Anybody know how can post my game score into my(ie players) Facebook or twitter wall?
I am looking for the simplest method. ie I just need to post the text data(score) into the wall.
Please help me….

Have you found the solution to post on fb?