#include

// 权限检查函数

bool has_permission(int user_id, int permission) {

// 假设我们有一个函数get_user_permissions，它返回用户的权限列表

int user_permissions = get_user_permissions(user_id);

return (user_permissions & permission) != 0;

}

// 任务状态判断函数

bool is_task_completed(int task_id) {

// 假设我们有一个函数get_task_status，它返回任务的状态

int task_status = get_task_status(task_id);

return task_status == TASK_COMPLETED;

}

// 条件触发函数

bool should_notify_user(int user_id, int event_id) {

// 假设我们有一个函数get_user_preferences，它返回用户的偏好设置

int user_preferences = get_user_preferences(user_id);

return (user_preferences & event_id) != 0;

}

int main() {

int user_id = 1;

int permission = READ_PERMISSION;

if (has_permission(user_id, permission)) {

printf("User %d has read permissionn", user_id);

} else {

printf("User %d does not have read permissionn", user_id);

}

int task_id = 101;

if (is_task_completed(task_id)) {

printf("Task %d is completedn", task_id);

} else {

printf("Task %d is not completedn", task_id);

}

int event_id = NEW_MESSAGE_EVENT;

if (should_notify_user(user_id, event_id)) {

printf("User %d should be notified of the new messagen", user_id);

} else {

printf("User %d should not be notified of the new messagen", user_id);

}

return 0;

}