Eroare de compilare: user.cpp:14:15: error: ‘int y1’ redeclared as different kind of symbol int x, y, x1, y1, x2, y2; ^~ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:33, from user.cpp:2: /usr/include/bits/mathcalls.h:251:1: note: previous declaration ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp:18:21: error: ‘int index [2000][2000]’ redeclared as different kind of symbol int index[NMAX][NMAX], dp[NMAX][NMAX]; ^ In file included from /usr/include/c++/6/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:48, from user.cpp:2: /usr/include/string.h:477:1: note: previous declaration ‘const char* index(const char*, int)’ index (const char *__s, int __c) __THROW ^~~~~ user.cpp: In function ‘void getRoom(int, int, char, int)’: user.cpp:25:9: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript index[i][j] = idx; ^ user.cpp: In function ‘void addRooms()’: user.cpp:37:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (x < x1 || x > x2 || y < y1 || y > y2) { ^~ user.cpp: In function ‘void query()’: user.cpp:44:10: error: no match for ‘operator>>’ (operand types are ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ and ‘double(double) throw ()’) f >> x1 >> y1 >> x2 >> y2; ~~~~~~~~^~~~~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:52, from user.cpp:2: /usr/include/c++/6/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> operator>>(__istream_type& (*__pf)(__istream_type&)) ^~~~~~~~ /usr/include/c++/6/istream:120:7: note: conversion of argument 1 would be ill-formed: user.cpp:44:13: error: invalid conversion from ‘double (*)(double) throw ()’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}’ [-fpermissive] f >> x1 >> y1 >> x2 >> y2; ^~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:52, from user.cpp:2: