Eroare de compilare: user.cpp:8:24: error: ‘int y1’ redeclared as different kind of symbol int p[180][180],n,m,x1,y1,x2,y2; ^ 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/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int ok(int, int)’: user.cpp:15:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if((i==x1)&&(j==y1)) ^ user.cpp: In function ‘int main()’: user.cpp:32:8: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ fin>>x1>>y1>>x2>>y2; ^ In file included from /usr/include/c++/4.8/fstream:38:0, 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:35:15: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘std::queue<int>::value_type {aka int}’ [-fpermissive] qy.push(y1); ^ In file included from /usr/include/c++/4.8/queue:64:0, from user.cpp:2: /usr/include/c++/4.8/bits/stl_queue.h:217:7: error: initializing argument 1 of ‘void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = int; _Sequence = std::deque<int, std::allocator<int> >; std::queue<_Tp, _Sequence>::value_type = int]’ [-fpermissive] push(value_type&& __x) ^ user.cpp:56:5: error: expected ‘;’ before ‘}’ token } ^ user.cpp: At global scope: user.cpp:58:5: error: expected unqualified-id before ‘return’ return 0; ^ user.cpp:59:1: error: expected declaration before ‘}’ token } ^