Eroare de compilare: user.cpp:11:43: error: ‘int index’ redeclared as different kind of symbol int n, m, idx[NMAX], lowlink[NMAX], ctcs, index; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:48, from user.cpp:1: /usr/include/string.h:482:1: error: previous declaration of ‘const char* index(const char*, int)’ index (__const char *__s, int __c) __THROW ^ user.cpp: In function ‘void tarjan(int)’: user.cpp:18:7: error: no pre-increment operator for type ++index; ^ user.cpp:19:15: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘int’ idx[node] = index; ^ user.cpp:20:19: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘int’ lowlink[node] = index; ^