Eroare de compilare: user.cpp: In function ‘int query(int, int, int, int)’: user.cpp:38:21: error: ‘l1’ was not declared in this scope return max(max(rmq[l1]), max()); ^ user.cpp:38:31: error: no matching function for call to ‘max()’ return max(max(rmq[l1]), max()); ^ user.cpp:38:31: note: candidates are: In file included from /usr/local/include/c++/4.8.0/algorithm:61:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_algobase.h:216:5: note: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:216:5: note: template argument deduction/substitution failed: user.cpp:38:31: note: candidate expects 2 arguments, 0 provided return max(max(rmq[l1]), max()); ^ In file included from /usr/local/include/c++/4.8.0/algorithm:61:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_algobase.h:260:5: note: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:260:5: note: template argument deduction/substitution failed: user.cpp:38:31: note: candidate expects 3 arguments, 0 provided return max(max(rmq[l1]), max()); ^ In file included from /usr/local/include/c++/4.8.0/algorithm:62:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_algo.h:4254:5: note: template<class _Tp> _Tp std::max(std::initializer_list<_Tp>) max(initializer_list<_Tp> __l) ^ /usr/local/include/c++/4.8.0/bits/stl_algo.h:4254:5: note: template argument deduction/substitution failed: user.cpp:38:31: note: candidate expects 1 argument, 0 provided return max(max(rmq[l1]), max()); ^ In file included from /usr/local/include/c++/4.8.0/algorithm:62:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_algo.h:4259:5: note: template<class _Tp, class _Compare> _Tp std::max(std::initializer_list<_Tp>, _Compare) max(initializer_list<_Tp> __l, _Compare __comp) ^ /usr/local/include/c++/4.8.0/bits/stl_algo.h:4259:5: note: template argument deduction/substitution failed: user.cpp:38:31: note: candidate expects 2 arguments, 0 provided return max(max(rmq[l1]), max()); ^ user.cpp:37:6: warning: unused variable ‘l’ [-Wunused-variable] int l=max(x2-x1, y2-y1)+1; ^ user.cpp: In function ‘int main()’: user.cpp:66:45: warning: for increment expression has no effect [-Wunused-value] for(step=1;(x1+step<x2)&&(y1+step<y2);step<<1);