Eroare de compilare: user.cpp:10: error: ‘int index’ 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 solve(int)’: user.cpp:16: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator==’ user.cpp: In function ‘int main()’: user.cpp:59: error: no pre-increment operator for type user.cpp:62: error: no pre-increment operator for type user.cpp:66: error: invalid types ‘int [500000][<unresolved overloaded function type>]’ for array subscript user.cpp:66: error: no pre-decrement operator for type user.cpp:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result