Eroare de compilare: user.cpp:11:33: error: conflicting declaration ‘int a’ int q[MAXIM], deg[MAXIM], N, M, a, b, u=-1, p=0; ^ user.cpp:10:14: note: previous declaration as ‘std::vector<int> a [50003]’ vector <int> a[MAXIM]; ^ user.cpp: In function ‘int main()’: user.cpp:18:11: error: no match for ‘operator>>’ (operand types are ‘std::ifstream {aka std::basic_ifstream<char>}’ and ‘std::vector<int> [50003]’) f >> a >> b; ~~^~~~ 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:1: /usr/include/c++/6/istream:168:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> operator>>(bool& __n) ^~~~~~~~ /usr/include/c++/6/istream:168:7: note: conversion of argument 1 would be ill-formed: user.cpp:18:14: warning: the address of ‘a’ will always evaluate as ‘true’ [-Waddress] f >> a >> b; ^ user.cpp:18:14: error: invalid initialization of non-const reference of type ‘bool&’ from an rvalue of type ‘bool’ 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:1: /usr/include/c++/6/istream:172:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>] <near match> operator>>(short& __n); ^~~~~~~~ /usr/include/c++/6/istream:172:7: note: conversion of argument 1 would be ill-formed: user.cpp:18:14: error: invalid conversion from ‘std::vector<int>*’ to ‘short int’ [-fpermissive] f >> a >> b; ^ user.cpp:18:14: error: cannot bind rvalue ‘(short int)((std::vector<int>*)(& a))’ to ‘short int&’ 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:1: /usr/include/c++/6/istream:175:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> operator>>(unsigned short& __n) ^~~~~~~~ /usr/include/c++/6/istream:175:7: note: conversion of argument 1 would be ill-formed: user.cpp:18:14: error: invalid conversion from ‘std::vector<int>*’ to ‘short unsigned int’ [-fpermissive] f >> a >> b; ^ user.cpp:18:14: error: cannot bind rvalue ‘(short unsigned int)((std::vector<int>*)(& a))’ to ‘short unsigned int&’ In file included from /usr/include/c++/6/sstream:38:0,