Eroare de compilare: main.cpp:9:28: error: 'int index [16005]' redeclared as different kind of symbol int level[maxn], index[maxn], index_right[maxn], left[maxn], crt; ^ 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 'void DFS(int)': main.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<edge[node].size(); i++){ ~^~~~~~~~~~~~~~~~~~ main.cpp:39:15: error: invalid types '<unresolved overloaded function type>[int]' for array subscript index[node] = ++crt; ^ main.cpp: In function 'void buildTree(int, int, int)': main.cpp:68:20: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if (index[node1] < index[node2]) ^ main.cpp:68:35: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if (index[node1] < index[node2]) ^ main.cpp: In function 'int query_left(int, int, int, int, int)': main.cpp:94:20: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if (index[node1] < index[node2]) ^ main.cpp:94:35: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if (index[node1] < index[node2]) ^ main.cpp: In function 'void del(int, int, int, int)': main.cpp:133:25: error: invalid types '<unresolved overloaded function type>[int]' for array subscript else if (index[node1] < index[node2]) tree_left[node] = node1; ^ main.cpp:133:40: error: invalid types '<unresolved overloaded function type>[int]' for array subscript else if (index[node1] < index[node2]) tree_left[node] = node1; ^ main.cpp: In function 'int main()': main.cpp:207:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<pos[dest].size(); j++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int query_left(int, int, int, int, int)': main.cpp:98:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ Non zero exit status: 1