Eroare de compilare: user.cpp:9:24: error: ‘int y1’ redeclared as different kind of symbol int n, X[MAX], x1, x2, y1, 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 Query(int, int, int)’: user.cpp:59:44: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y2 < T[lv][st] || y1 > T[lv][dr]) ^ user.cpp:61:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y1 < T[lv][st] && y2 > T[lv][dr]) ^ user.cpp:64:41: warning: pointer to a function used in arithmetic [-Wpointer-arith] Search(T[lv], st, dr, y1-1); ^ user.cpp:64:40: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] Search(T[lv], st, dr, y1-1); ^ user.cpp:22:5: error: initializing argument 4 of ‘int Search(int*, int, int, int)’ [-fpermissive] int Search(int a[], int l, int r, int v) ^ user.cpp: In function ‘int main()’: user.cpp:95:14: 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) ^