Compilare: user.cpp: In function ‘void computeScc(Graph&, int, int*, int*, int*, int*, int&, SCCLists&)’: user.cpp:34:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it = 0; it < G.adj[source].size(); it++) { ^ user.cpp:42:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it = 0; it < G.adj[source].size(); it++) { ^ user.cpp: In function ‘int main()’: user.cpp:88:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int jt = 0; jt < scc.scc[it].size(); jt++) { ^