Compilare: user.cpp: In function ‘void AIB_query(const int&, const int&, const int&)’: user.cpp:39:23: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int middle = left + right >> 1; ^ user.cpp: In function ‘void AIB_build(const int&, const int&, const int&)’: user.cpp:51:30: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] const int &middle = left + right >> 1; ^ user.cpp: In function ‘int main()’: user.cpp:82:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf ("%d\n", best); ^