Eroare de compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:6:13: error: ‘n’ was not declared in this scope for(;p<=n;p+=(p&-p)){ ^ user.cpp:7:9: error: ‘v’ was not declared in this scope v[p]+=x; ^ user.cpp: In function ‘int query(int)’: user.cpp:13:12: error: ‘v’ was not declared in this scope s+=v[p]; ^ user.cpp: In function ‘int main()’: user.cpp:19:13: error: ‘k’ was not declared in this scope fin>>n>>k; ^ user.cpp:21:12: error: no match for ‘operator>’ (operand types are ‘std::ifstream {aka std::basic_ifstream<char>}’ and ‘int’) fin>val; ^ user.cpp:21:12: note: candidates are: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:233:5: note: template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:233:5: note: template argument deduction/substitution failed: user.cpp:21:13: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’ fin>val; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:309:5: note: template<class _Iterator> bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator>(const reverse_iterator<_Iterator>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:309:5: note: template argument deduction/substitution failed: user.cpp:21:13: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ fin>val; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38,