/usr/include/c++/3.2.2/bits/stl_algobase.h: In function `void std::swap(_Tp&, _Tp&) [with _Tp = char[25]]': reteta.cpp:85: instantiated from here /usr/include/c++/3.2.2/bits/stl_algobase.h:125: invalid initializer /usr/include/c++/3.2.2/bits/stl_algobase.h:126: ISO C++ forbids assignment of arrays /usr/include/c++/3.2.2/bits/stl_algobase.h:127: ISO C++ forbids assignment of arrays