Compilare: user.cpp:1:9: warning: #pragma once in main file #pragma once ^~~~ user.cpp: In function ‘void query(int, int, int, int)’: user.cpp:107:6: warning: unused variable ‘mmid’ [-Wunused-variable] int mmid = (aint[nod].iMin + aint[nod].iMax) / 2; ^~~~ user.cpp: In function ‘int MIN(int, int)’: user.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] } ^