Eroare de compilare: user.cpp:8:15: error: ‘int index [100005]’ redeclared as different kind of symbol int index[NMAX], lowlink[NMAX]; ^ 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:24:10: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript index[x] = lowlink[x] = ++globalIndex; ^ user.cpp:29:17: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (!index[y]) { ^ user.cpp:33:43: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript lowlink[x] = min(lowlink[x], index[y]); ^ user.cpp:37:14: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (index[x] == lowlink[x]) { ^ user.cpp: In function ‘void tarjan()’: user.cpp:50:17: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (!index[i]) ^ user.cpp: In function ‘void read()’: user.cpp:15:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &n, &m); ^ user.cpp:18:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &x, &y); ^ user.cpp: In function ‘int main()’: user.cpp:66:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ctc.in", "r", stdin); ^ user.cpp:67:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ctc.out", "w", stdout); ^