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1241-1250

1241. Number of Comments per Post $\star$

1242. Web Crawler Multithreaded $\star\star$

1243. Array Transformation $\star$

1244. Design A Leaderboard $\star\star$

1245. Tree Diameter $\star\star$

1246. Palindrome Removal $\star\star\star$

1247. Minimum Swaps to Make Strings Equal $\star\star$

1248. Count Number of Nice Subarrays $\star\star$

1249. Minimum Remove to Make Valid Parentheses $\star\star$

1250. Check If It Is a Good Array $\star\star\star$