Eroare de compilare: user.cpp:11:23: error: ‘long long int y1 [1050]’ redeclared as different kind of symbol long long x1[NM],y1[NM],x2[NM],y2[NM],n,k,s,xx,yy,xv[NM],yv[NM],lin; ^ 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:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:20:24: warning: pointer to a function used in arithmetic [-Wpointer-arith] in>>x1[i]>>y1[i]>>x2[i]>>y2[i]; ^ user.cpp:20:11: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ in>>x1[i]>>y1[i]>>x2[i]>>y2[i]; ^ 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:23:13: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]+=11; ^ user.cpp:23:14: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]+=11; ^ user.cpp:23:14: error: assignment of read-only location ‘*(y1 + ((sizetype)i))’ user.cpp:23:14: error: cannot convert ‘double (*)(double)throw ()’ to ‘double(double)throw ()’ in assignment user.cpp:27:19: warning: pointer to a function used in arithmetic [-Wpointer-arith] ay.pb(y1[i]); ^ user.cpp:27:19: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘std::vector<int>::value_type {aka int}’ [-fpermissive] In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h:919:7: error: initializing argument 1 of ‘void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]’ [-fpermissive] push_back(value_type&& __x) ^ user.cpp:55:32: warning: pointer to a function used in arithmetic [-Wpointer-arith] ++fr[mx[x1[i]]][my[y1[i]]]; ^ user.cpp:55:32: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘std::map<int, int>::key_type {aka int}’ [-fpermissive] In file included from /usr/include/c++/4.8/map:61:0, from user.cpp:5: /usr/include/c++/4.8/bits/stl_map.h:476:7: error: initializing argument 1 of ‘std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = int]’ [-fpermissive] operator[](key_type&& __k) ^ user.cpp:57:34: warning: pointer to a function used in arithmetic [-Wpointer-arith]