Eroare de compilare: user.cpp:17:18: error: ‘int y1’ redeclared as different kind of symbol int n , m , x1 , y1 , x2 , y2 , p1 , p2; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/iosfwd:38, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, 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 querry(int, int, int, int, int)’: user.cpp:101:46: warning: pointer to a function used in arithmetic [-Wpointer-arith] unsigned int p1 = search1( Arb[nod] , y1 - 1 ); ^ user.cpp:101:44: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] unsigned int p1 = search1( Arb[nod] , y1 - 1 ); ^ user.cpp:84:5: error: initializing argument 2 of ‘int search1(std::vector<int>, int)’ [-fpermissive] int search1( vector<int> A , int v ){ ^ user.cpp:102:27: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if( V[Arb[nod][p1]].y < y1 ) ^ user.cpp:105:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( p2 == 0 || p1 > n ) ^ user.cpp: In function ‘void solve()’: user.cpp:127:4: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ f>>x1>>y1>>x2>>y2; ^ In file included from /usr/local/include/c++/4.8.0/fstream:38:0, from user.cpp:1: /usr/local/include/c++/4.8.0/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) ^