Eroare de compilare: user.cpp:7: error: ‘int index [50002]’ 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 ls()’: user.cpp:37: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp: In function ‘void sign(int, int)’: user.cpp:45: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript user.cpp: In function ‘int main()’: user.cpp:55: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result