Eroare de compilare: user.cpp:34:19: error: ‘std::vector<int> index’ redeclared as different kind of symbol vector<int> index(NMax, 0),lowlink(NMax), comp[NMax], adj[NMax]; ^~~~ In file included from /usr/include/c++/6/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/6/32/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 ‘void dfs(int)’: user.cpp:40:15: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript index[node] = lowlink[node] = idx; ^ user.cpp:45:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (!index[nxt]) { ^ user.cpp:54:19: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (index[node] == lowlink[node]) { ^ user.cpp: In function ‘int main()’: user.cpp:79:20: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (index[i]) { ^