can´t insert symbols in linux??

[Enzo Ti]

iḿ new to linux and wanna try on c++ programming, but i can´t insert ---> " propably thus i can´t cout sentence in c++, when i press the keyboard i will get ńothing for pressing 1 time, while pressing the key twice, i will get --->¨

[Peter87]

It's hard to understand what you are saying. Are you saying that you can't write the double quote " with your keyboard? Maybe your keyboard layout is set wrong. The reason why you have to press twice to write ¨ is so that you can combine it with other characters. If you press ¨ and then o you will get the character ö.