Eroare de compilare: user.cpp:11:55: error: ‘int index [200005]’ redeclared as different kind of symbol int node_x[NMAX], node_y[NMAX], cost[NMAX], index[NMAX], father[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 ‘int main()’: user.cpp:45:16: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript index[i] = i; ^ user.cpp:47:15: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator+’ sort(index+1, index+m+1, cmp()); ~~~~~^~ user.cpp:47:24: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator+’ sort(index+1, index+m+1, cmp()); ~~~~~^~ user.cpp:50:35: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if ( parent(node_x[index[i]]) != parent(node_y[index[i]]) ) ^ user.cpp:50:63: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if ( parent(node_x[index[i]]) != parent(node_y[index[i]]) ) ^ user.cpp:52:41: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript minimum_Cost += cost[index[i]]; ^ user.cpp:53:36: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript nodes.push_back(index[i]); ^ user.cpp:54:33: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript unite(node_x[index[i]], node_y[index[i]]); ^ user.cpp:54:51: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript unite(node_x[index[i]], node_y[index[i]]); ^