Eroare de compilare: user.cpp:10:14: error: ‘int index’ redeclared as different kind of symbol int n, k, x, index; ^ In file included from /usr/include/c++/5/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:48, from user.cpp:1: /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 ‘int main()’: user.cpp:17:14: error: overloaded function with no contextual type information for(index=2; index<=k; index++) ^ user.cpp:17:25: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator<=’ for(index=2; index<=k; index++) ^ user.cpp:17:33: error: no post-increment operator for type for(index=2; index<=k; index++) ^ user.cpp:22:38: error: no matching function for call to ‘make_pair(int&, <unresolved overloaded function type>)’ d.push_back(make_pair(x,index)); ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/5/bits/stl_pair.h:276:5: note: candidate: template<class _T1, class _T2> constexpr std::pair<typename std::__decay_and_strip<_Tp>::__type, typename std::__decay_and_strip<_T2>::__type> std::make_pair(_T1&&, _T2&&) make_pair(_T1&& __x, _T2&& __y) ^ /usr/include/c++/5/bits/stl_pair.h:276:5: note: template argument deduction/substitution failed: user.cpp:22:38: note: couldn't deduce template parameter ‘_T2’ d.push_back(make_pair(x,index)); ^ user.cpp:25:18: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator<=’ for(; index<=n; index++) ^ user.cpp:25:26: error: no post-increment operator for type for(; index<=n; index++) ^ user.cpp:30:38: error: no matching function for call to ‘make_pair(int&, <unresolved overloaded function type>)’ d.push_back(make_pair(x,index)); ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40,