Eroare de compilare: user.cpp:1:21: error: iostream.h: No such file or directory user.cpp:3:20: error: fstream.h: No such file or directory user.cpp:4: error: ‘::main’ must return ‘int’ user.cpp: In function ‘int main()’: user.cpp:7: error: ‘ifstream’ was not declared in this scope user.cpp:7: error: expected ‘;’ before ‘f’ user.cpp:8: error: ‘ofstream’ was not declared in this scope user.cpp:8: error: expected ‘;’ before ‘g’ user.cpp:9: error: ‘f’ was not declared in this scope user.cpp:10: warning: comparison between signed and unsigned integer expressions user.cpp:12: warning: comparison between signed and unsigned integer expressions user.cpp:18: warning: comparison between signed and unsigned integer expressions user.cpp:20: warning: comparison between signed and unsigned integer expressions user.cpp:22: warning: comparison between signed and unsigned integer expressions user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp:26: warning: comparison between signed and unsigned integer expressions user.cpp:28: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:30: warning: comparison between signed and unsigned integer expressions user.cpp:32: warning: comparison between signed and unsigned integer expressions user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp:41: error: ‘cout’ was not declared in this scope user.cpp:41: error: ‘cout’ was not declared in this scope user.cpp:41: error: ‘endl’ was not declared in this scope user.cpp:44: error: ‘g’ was not declared in this scope user.cpp:45: warning: comparison between signed and unsigned integer expressions user.cpp:51: error: ‘cout’ was not declared in this scope user.cpp:51: error: ‘endl’ was not declared in this scope user.cpp:52: warning: comparison between signed and unsigned integer expressions