Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'int main()': main.cpp:69:15: warning: unused variable 'j' [-Wunused-variable] 69 | int n,q,i,j; | ^ main.cpp: In function 'int query_search(int, int, int, int)': main.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type] 61 | } | ^