Eroare de compilare: main.cpp:10:13: error: 'std::vector<int> index' redeclared as different kind of symbol vector<int> index; ^~~~~ In file included from /usr/include/c++/6/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:48, from main.cpp:1: /usr/include/string.h:477:1: note: previous declaration 'const char* index(const char*, int)' index (const char *__s, int __c) __THROW ^~~~~ main.cpp: In function 'int main()': main.cpp:32:17: error: 'index' does not have class type index.push_back(k); ^~~~~ main.cpp:41:17: error: 'index' does not have class type index.push_back(k); ^~~~~ main.cpp:54:20: error: unable to deduce 'auto&&' from 'index' for (int i:index) ^~~~~ main.cpp:54:20: note: couldn't deduce template parameter 'auto' Non zero exit status: 1