Compilare: user.cpp: In function ‘void Read()’: user.cpp:94:13: warning: unused variable ‘X’ [-Wunused-variable] int X, Y; fin >> V[i].X >> V[i].Y; ^ user.cpp:94:16: warning: unused variable ‘Y’ [-Wunused-variable] int X, Y; fin >> V[i].X >> V[i].Y; ^ user.cpp: In function ‘void Solve()’: user.cpp:133:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = Solution.size() - 1 ; i >= Solution.size() - K ; --i) ^