Compilare: user.cpp: In function ‘void baga_negativ(int)’: user.cpp:12:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<NEG[c].size();++it) ^ user.cpp: In function ‘void scot_negativ(int)’: user.cpp:24:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<NEG[c].size();++it) ^ user.cpp: In function ‘void baga_pozitiv(int)’: user.cpp:40:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<POZ[c].size();++it) ^ user.cpp: In function ‘void scot_pozitiv(int)’: user.cpp:52:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<POZ[c].size();++it) ^ user.cpp: In function ‘void dfs(int)’: user.cpp:72:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<NEG[c].size();++it) ^ user.cpp:82:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<POZ[c].size();++it) ^ user.cpp:91:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[nod].size();++j) ^