Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘void tipar(int)’: user.cpp:24: error: ‘cout’ was not declared in this scope user.cpp:25: error: ‘cout’ was not declared in this scope user.cpp:26: error: ‘cout’ was not declared in this scope user.cpp:26: error: ‘endl’ was not declared in this scope user.cpp: In function ‘void back()’: user.cpp:32: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: At global scope: user.cpp:38: error: ‘::main’ must return ‘int’ user.cpp: In function ‘int main()’: user.cpp:40: error: ‘ifstream’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘f’ user.cpp:40: error: ‘ofstream’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘g’ user.cpp:41: error: ‘f’ was not declared in this scope user.cpp:44: error: ‘g’ was not declared in this scope