Compilare: user.cpp: In function ‘void Update(int)’: user.cpp:12:10: warning: statement has no effect [-Wunused-value] for(x;x<=n;x=x+((x&(x-1))^x)) ^ user.cpp: In function ‘int Query(int)’: user.cpp:17:10: warning: statement has no effect [-Wunused-value] for(x;x>0;x=x-((x&(x-1))^x)) ^ user.cpp: In function ‘int main()’: user.cpp:45:23: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d",answer); ^ user.cpp:22:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pante.in","r",stdin); ^ user.cpp:23:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pante.out","w",stdout); ^ user.cpp:26:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:27:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld%lld",&a,&b,&c,&d); ^ user.cpp:29:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&x,&y); ^