Compilare: user.cpp: In function ‘bool Bsearch(long long int, int, int)’: user.cpp:14:14: warning: unused variable ‘x’ [-Wunused-variable] int mid, x; ^ user.cpp: In function ‘int main()’: user.cpp:30:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, ans = 0, val; ^