Ordered Set Coding Problems

Maintain sorted collections efficiently

72
Total Problems
3
Easy
27
Medium
42
Hard
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1357

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Ordered Set Coding Problems

Practice problems frequently asked at Ordered Set 72 problems | 3 Easy | 27 Medium | 42 Hard

# Problem Difficulty Topics
31 Finding MK Average Hard
DesignQueueHeap (Priority Queue)
32 Fruits Into Baskets II Easy
ArrayBinary SearchSegment Tree
33 Fruits Into Baskets III Medium
ArrayBinary SearchSegment Tree
34 Implement Router Medium
ArrayHash TableBinary Search
35 K Empty Slots Hard
ArrayBinary Indexed TreeSegment Tree
36 Kth Smallest Path XOR Sum Hard
ArrayTreeDepth-First Search
37 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Medium
ArrayQueueSliding Window
38 Longest Substring of One Repeating Character Hard
ArrayStringSegment Tree
39 Longest Uploaded Prefix Medium
Hash TableBinary SearchUnion Find
40 Make Array Empty Hard
ArrayBinary SearchGreedy
41 Max Stack Hard
Linked ListStackDesign
42 Max Sum of Rectangle No Larger Than K Hard
ArrayBinary SearchMatrix
43 Maximum Frequency Stack Hard
Hash TableStackDesign
44 Maximum Increasing Triplet Value Medium
ArrayOrdered Set
45 Maximum Segment Sum After Removals Hard
ArrayUnion FindPrefix Sum
Showing 31-45 of 72
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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