Compilare: main.cpp: In function 'int main()': main.cpp:56:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<vecini[i].size();j++) ~^~~~~~~~~~~~~~~~~ main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<path[i].size();j++) components[path[i][j]]=0; ~^~~~~~~~~~~~~~~ main.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<path[x].size(); j++) ~^~~~~~~~~~~~~~~