Eroare de compilare: user.cpp:1:21: error: iostream.h: No such file or directory user.cpp:2:20: error: fstream.h: No such file or directory user.cpp:3: error: ‘ifstream’ does not name a type user.cpp:4: error: ‘ofstream’ does not name a type user.cpp: In function ‘int cmmdc(int, int)’: user.cpp:20: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:25: error: ‘fin’ was not declared in this scope user.cpp:32: error: ‘fout’ was not declared in this scope user.cpp:23: warning: unused variable ‘P’ user.cpp:23: warning: unused variable ‘Q’