Eroare de compilare: user.cpp:5:33: error: ‘int index’ redeclared as different kind of symbol int pre[100005],lowlink[100005],index,n,nr=0; ^ In file included from /usr/include/c++/5/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/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:13:11: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘int’ pre[i]=index; ^ user.cpp:14:15: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘int’ lowlink[i]=index; ^ user.cpp:15:10: error: no post-increment operator for type index++; ^