Compilare: user.cpp: In function ‘void Elimina(int, int)’: user.cpp:46:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i+1<drum[d1].size();++i) ^ user.cpp:51:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<drum[d1].size();++j) ^ user.cpp: In function ‘void NR(int, int)’: user.cpp:78:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i+D<drum[d].size())++sol,nr2=drum[d][i+D]; ^