Compilare: user.cpp: In function ‘int main()’: user.cpp:43:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[nod].size();i++) ^ user.cpp:46:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (vect[nod] > graph[nod].size() - nr_selectate || vect[nod] == 0) ^ user.cpp:49:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[nod].size();i++) ^ user.cpp:57:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < graph[vecin].size();j++) ^ user.cpp:76:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i<sol.size();i++) ^