Compilare: user.cpp: In function ‘void rotatie()’: user.cpp:50:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<l.size() && i<sol.size(); ++i) ^ user.cpp:50:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<l.size() && i<sol.size(); ++i) ^ user.cpp: In function ‘void compress(int, int)’: user.cpp:67:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[b].size(); ++i) ^ user.cpp: In function ‘void df(int)’: user.cpp:80:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[nod].size(); ++i) ^ user.cpp:104:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[nod].size(); ++i) ^