Compilare: main.cpp: In function 'int main()': main.cpp:56:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<adj[lastVert].size(); i++){ ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:59:94: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( find(currVect.begin(), currVect.end(), currNeighbour) - currVect.begin() == currVect.size() ){ /// i.e. currNeighbour is not used ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:70:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<path.size(); i++){ ~^~~~~~~~~~~~ main.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<path[i].size()-1; j++){ ~^~~~~~~~~~~~~~~~~ main.cpp:77:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<path[i].size()-1; j++){ ~^~~~~~~~~~~~~~~~~