Compilare: main.cpp: In member function 'bool graf::isvisited(int, std::vector<int>&)': main.cpp:33:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<path.size();i++) ~^~~~~~~~~~~~ main.cpp:33:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=0;i<path.size();i++) ^~~ main.cpp:36:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 1; ^~~~~~ main.cpp: In member function 'void graf::getbestpath()': main.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<edges[nod].size();i++){ ~^~~~~~~~~~~~~~~~~~ main.cpp:42:8: warning: unused variable 'i' [-Wunused-variable] int i, nod, numar=nmax1, l=0; ^