Compilare: user.cpp: In function ‘void Update(int, int)’: user.cpp:7:31: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) (x ^ (x - 1) & x) ^ user.cpp:21:22: note: in expansion of macro ‘zeros’ for (; p <= N; p += zeros(p)) ^ user.cpp: In function ‘int Query(int)’: user.cpp:7:31: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) (x ^ (x - 1) & x) ^ user.cpp:28:17: note: in expansion of macro ‘zeros’ for (; p; p -= zeros(p)) ^ user.cpp: In function ‘int main()’: user.cpp:35:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("distincte.in", "r", stdin); ^ user.cpp:36:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("distincte.out", "w", stdout); ^ user.cpp:38:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &K, &M); ^ user.cpp:40:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp:44:13: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] Q[i].o = i; ^