Compilare: user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:47:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[k].size(); i++) ^ user.cpp: In function ‘bool bkt(int, int, int, int)’: user.cpp:93:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[nod].size(); i++) ^ user.cpp: In function ‘void solverino(std::vector<int>&, int, int)’: user.cpp:107:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < g.size(); i++){ ^ user.cpp: In function ‘int main()’: user.cpp:157:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1 ; i < comp.size() && kill == 0; i++) ^ user.cpp:161:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < sol.size(); i++) ^