Compilare: user.cpp: In function ‘bool check(long long int)’: user.cpp:84:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt = 1; ^ user.cpp:85:15: warning: unused variable ‘Max’ [-Wunused-variable] long long Max = V[0], Min = V[0]; ^ user.cpp:85:27: warning: unused variable ‘Min’ [-Wunused-variable] long long Max = V[0], Min = V[0]; ^ user.cpp: In function ‘int Q(int, int, int, int)’: user.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type] } ^