Example 1
1 <= userId, followerId, followeeId <= 5000 <= tweetId <= 104All the tweets have unique IDs.At most 3 * 104 calls will be made to postTweet, getNewsFeed, follow, and unfollow.A user cannot follow himself.Example 1
1 <= userId, followerId, followeeId <= 5000 <= tweetId <= 104All the tweets have unique IDs.At most 3 * 104 calls will be made to postTweet, getNewsFeed, follow, and unfollow.A user cannot follow himself.