[Dev-C++] question

[Mariel R. <mar...@ya...>]

I need to compile 3 files hola1.cpp hola2.cpp and I made a .h file like
hola3.h( #include "hola3.h")

When I try to compile all this files i received this error

1 tp0_switch.cpp
c:\documents and settings\administrador\escritorio\mariel\descargas\tp
0\hola3.h:3: sstream: No such file or directory

Can please anybody help me with this???

I'm from argentina

My english is not so good if you can't understand me anything just let me
know

Thanks in advance!