Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:31: error: ‘::main’ must return ‘int’ user.cpp: In function ‘int main()’: user.cpp:35: error: ‘fstream’ was not declared in this scope user.cpp:35: error: expected ‘;’ before ‘f’ user.cpp:37: error: ‘f’ was not declared in this scope user.cpp:37: error: ‘ios’ has not been declared user.cpp:75: error: ‘ios’ has not been declared user.cpp:76: error: ‘endl’ was not declared in this scope