Compilare: user.cpp: In function ‘void buildGraph()’: user.cpp:54:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<=Conf[i].size();j++) ^ user.cpp:56:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((j==0 || Conf[i][j-1]!=0) && (j==Conf[i].size() || Conf[i][j]!=0)) ^ user.cpp:62:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=j;k<Conf[i].size();k++) ^ user.cpp:64:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<temp.size();k++) ^ user.cpp:68:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(auto it=temp.begin();j<temp.size();it++,j++) ^ user.cpp: In function ‘int main()’: user.cpp:90:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Conf[i].size()==K) ^ user.cpp:97:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<G[j].size();k++) ^