Compilare: user.cpp: In function ‘void GetSolution()’: user.cpp:35:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graph[ind].size();++i) ^ user.cpp:40:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i+1<graph[ind].size()&&ind!=aux) { ^ user.cpp: In function ‘void WriteSolution(int)’: user.cpp:59:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<solution[k].size()&&nrm<m;++i) ^