Compilare: user.cpp: In function ‘void solve()’: user.cpp:101:52: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘Ans’ [-Wformat=] else printf("%lld\n", query(root, a, b + 1)); ^ user.cpp: In function ‘void read()’: user.cpp:87:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:89:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &A[i]); ^ user.cpp: In function ‘void solve()’: user.cpp:95:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:98:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &q, &a, &b); ^