Compilare: user.cpp: In function ‘void perechi(int)’: user.cpp:42:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( ( i<T[nod].size() ) && ( Mu[ T[nod][i] ].c == Mu[ T[nod][j] ].c ) ) ^ user.cpp: In function ‘int main()’: user.cpp:223:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i=0; i<rez.size(); i++ ) ^