Hello i am using ubuntu netbook edition 10.10 but it does not have pre-installed g++ . i have tried to install it using the commands sudo apt-get install but it asks me to insert ubuntu netbook cd which i dont have ... so what should i do to install

I have recently installed ubuntu netbook remix 10.10 on my laptop and its working fine , but the problem is that , when i tried to configure g++ on my netbeans IDE , which i require so that i could work on c,c++, java. So i tried to install it with the following commands. sudo apt-get install g++ .... and when it started to install it required cd of netbook maverick meerkat.. which i do not have since i installed it completely with my usb drive . so what should i do now.