Eroare de compilare: user.cpp:8:9: error: ‘int y1’ redeclared as different kind of symbol int x1, y1, x2, y2, d[NMAX][NMAX], Sol, n, Maxx, Maxy, ap[NMAX]; ^ In file included from /usr/include/features.h:346:0, from /usr/include/stdio.h:28, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:16:48: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d %d %d", &x1, &y1, &x2, &y2); ^ user.cpp:18:30: warning: pointer to a function used in arithmetic [-Wpointer-arith] for(int k = y1 + 1; k <= y2 + 1; ++ k) ^ user.cpp:18:28: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] for(int k = y1 + 1; k <= y2 + 1; ++ k) ^ user.cpp:22:31: warning: pointer to a function used in arithmetic [-Wpointer-arith] Maxy = max(Maxy, y1 + 1); ^ user.cpp:22:32: error: no matching function for call to ‘max(int&, double (*)(double)throw ())’ Maxy = max(Maxy, y1 + 1); ^ user.cpp:22:32: 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:22:32: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘double (*)(double)throw ()’) Maxy = max(Maxy, y1 + 1); ^ 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:22:32: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘double (*)(double)throw ()’) Maxy = max(Maxy, y1 + 1); ^ 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: