Compilare: user.cpp: In function ‘void update(int, int, int, int, int)’: user.cpp:20:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int mid = st + dr >> 1; ~~~^~~~ user.cpp: In function ‘int query(int, int, int, int, int)’: user.cpp:30:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int mid = st + dr >> 1; ~~~^~~~ user.cpp: In function ‘int main()’: user.cpp:48:14: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = st + dr >> 1; ~~~^~~~ user.cpp:60:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = st + dr >> 1; ~~~^~~~ user.cpp:73:14: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = st + dr >> 1; ~~~^~~~ user.cpp:85:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = st + dr >> 1; ~~~^~~~