Eroare de compilare: user.cpp:11:18: error: ‘int y0’ redeclared as different kind of symbol int n, m, p, x0, y0, k, gal, gal1; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iostream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘void read()’: user.cpp:65:7: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ f >> x0 >> y0; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from user.cpp:1: /usr/include/c++/4.8/istream:872:5: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = double(double)throw ()]’ operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ user.cpp: In function ‘void cer_a()’: user.cpp:98:29: error: no matching function for call to ‘std::queue<std::pair<int, int> >::push(std::pair<int, double (*)(double)throw ()>)’ q.push(make_pair(x0, y0)); ^ user.cpp:98:29: note: candidates are: In file included from /usr/include/c++/4.8/queue:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_queue.h:212:7: note: void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>] push(const value_type& __x) ^ /usr/include/c++/4.8/bits/stl_queue.h:212:7: note: no known conversion for argument 1 from ‘std::pair<int, double (*)(double)throw ()>’ to ‘const value_type& {aka const std::pair<int, int>&}’ /usr/include/c++/4.8/bits/stl_queue.h:217:7: note: void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>] push(value_type&& __x) ^ /usr/include/c++/4.8/bits/stl_queue.h:217:7: note: no known conversion for argument 1 from ‘std::pair<int, double (*)(double)throw ()>’ to ‘std::queue<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}’ user.cpp:100:20: error: invalid types ‘int [205][double(double)throw ()]’ for array subscript if(ferma[x0][y0] == inf) ^ user.cpp:102:27: warning: the address of ‘double y0(double)’ will always evaluate as ‘true’ [-Waddress] g << x0 << ' ' << y0 << ' ' << dist-1; ^ user.cpp:107:17: error: invalid types ‘int [205][double(double)throw ()]’ for array subscript ferma[x0][y0] = 1; ^ user.cpp: In function ‘void cer_b()’: user.cpp:154:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0, a, b; i<sol.size(); ++i) ^