Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:30:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<divz.size(); i++) ^ user.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=i; j<divz.size(); j++) ^ user.cpp:42:5: error: reference to ‘cout’ is ambiguous cout<<fct.size()<<"\n"; ^ user.cpp:9:10: note: candidates are: std::ofstream cout ofstream cout("armonica.out"); ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:74:0, from user.cpp:4: /usr/include/c++/5/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:45:7: error: reference to ‘cout’ is ambiguous cout<<i.first<<" "<<i.second<<"\n"; ^ user.cpp:9:10: note: candidates are: std::ofstream cout ofstream cout("armonica.out"); ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:74:0, from user.cpp:4: /usr/include/c++/5/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^