Compilare: main.cpp: In function 'int query(int, int, int, int, int)': main.cpp:57:13: warning: unused variable 'a' [-Wunused-variable] 57 | int mij,a,b; | ^ main.cpp:57:15: warning: unused variable 'b' [-Wunused-variable] 57 | int mij,a,b; | ^ main.cpp: In function 'int main()': main.cpp:73:13: warning: unused variable 'j' [-Wunused-variable] 73 | int n,i,j,q; | ^ main.cpp: In function 'int query(int, int, int, int, int)': main.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type] 69 | } | ^