Compilare: main.cpp: In function 'void DFS(int)': main.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<adj[v].size(); i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFSvalue(int, int)': main.cpp:31:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<adjInv[v].size(); i++){ ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<components[i].size(); j++){ ~^~~~~~~~~~~~~~~~~~~~~