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![Leetcode | 1481. Least Number of Unique Integers after K Removals | Medium | Java [2 Methods]](https://i.ytimg.com/vi/O-VRkDidoUw/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLC3FEXIz1RfNGzDOrG7k23D_wt4Gw)
