Java // Convert array to HashSet in Javaimportjava.io.*;importjava.util.Iterator;// Importing Set librariesimportjava.util.Set;importjava.util.HashSet;classGFG{// Function to convert array to setstaticSet<Integer>convert(int[] array){// Hash Set InitialisationSet<Integer> Set =newHashSet<>...
4.Implementing data structures: Arrays are used as the underlying data structure for several other data structures like stacks, queues, and heaps. For example, an array-based implementation of a stack can be used to store elements in the stack. 5.Image processing: Arrays are commonly used ...
Well, that solution is still quadratic, but we can optimize it with a data structure. Take a look at the operations that we do over thecnt[]cnt[]array; we are taking the sum of a suffix, and updating a single position. What well-known data structure allows us to do those operations ...
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