Eroare de compilare: main.cpp: In function 'int main()': main.cpp:29:12: error: conflicting declaration 'int v [(n + 3)]' int v[n+3]; ^ main.cpp:28:14: note: previous declaration as 'std::vector<int> v' vector<int>v; ^ main.cpp:39:26: error: no match for 'operator+' (operand types are 'std::vector<int>' and 'int') int x=upper_bound(v+1,v+n+1,b)-v-1; ~^~ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator.h:341:5: note: candidate: template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&) operator+(typename reverse_iterator<_Iterator>::difference_type __n, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:341:5: note: template argument deduction/substitution failed: main.cpp:39:27: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' int x=upper_bound(v+1,v+n+1,b)-v-1; ^ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator.h:1200:5: note: candidate: template<class _Iterator> std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&) operator+(typename move_iterator<_Iterator>::difference_type __n, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:1200:5: note: template argument deduction/substitution failed: main.cpp:39:27: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' int x=upper_bound(v+1,v+n+1,b)-v-1; ^ In file included from /usr/include/c++/6/string:52:0, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, Non zero exit status: 1