Compilare: user.cpp: In function 'int main()': user.cpp:97: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[9]' user.cpp:114: warning: format '%d' expects type 'int', but argument 3 has type 'long long int' user.cpp: In function 'int queen(int, int, int)': user.cpp:55: warning: control reaches end of non-void function