Compilare: user.cpp: In function ‘void Solve()’: user.cpp:98:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = Ind[j]; i < V[j].size(); i++) ^ user.cpp:100:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Ind[4] < V[4].size()) ^ user.cpp:108:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == V[j].size() - 1) ^ user.cpp:121:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = Ind[4]; i < V[4].size(); i++) ^ user.cpp:134:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < V[0].size(); i++) ^