Eroare de compilare: user.cpp:2:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:9: error: ‘ifstream’ was not declared in this scope user.cpp:9: error: expected ‘;’ before ‘infile’ user.cpp:10: error: ‘ofstream’ was not declared in this scope user.cpp:10: error: expected ‘;’ before ‘outfile’ user.cpp:12: error: ‘infile’ was not declared in this scope user.cpp:14: warning: comparison between signed and unsigned integer expressions user.cpp:16: warning: comparison between signed and unsigned integer expressions user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp:24: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:43: error: ‘outfile’ was not declared in this scope user.cpp:43: error: ‘endl’ was not declared in this scope