Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream f("cmmdc.in"); ^~~~~~~~ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream g("cmmdc.out"); ^~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:9:3: error: ‘f’ was not declared in this scope f>>a>>b; ^ user.cpp:17:10: error: ‘g’ was not declared in this scope if(b==1) g<< "0"; ^ user.cpp:18:10: error: ‘g’ was not declared in this scope else g<<b; ^