Eroare de compilare: user.cpp: In function ‘int next_int()’: user.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: At global scope: user.cpp:17: error: ‘int index [100001]’ redeclared as different kind of symbol /usr/include/string.h:480: error: previous declaration of ‘const char* index(const char*, int)’ user.cpp: In function ‘void dfs(int, int)’: user.cpp:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp:28: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp:32: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp:35: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp: In function ‘int main()’: user.cpp:56: error: ISO C++ forbids applying ‘sizeof’ to an expression of function type user.cpp:56: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘void*’ user.cpp:58: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp:47: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result