Design Twitter · Coding Interview Practice

Design TwitterDesign a simplified Twitter supporting postTweet, getNewsFeed (10 most recent from self and followees), follow, and unfollow.Constraints

1 <= userId, followerId, followeeId <= 500

0 <= tweetId <= 10^4

At most 3 * 10^4 calls are made

Examples

Input: postTweet(1,5), getNewsFeed(1) Output: [5]

Input: follow(1,2), postTweet(2,6), getNewsFeed(1) Output: [6,5]

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