Master DSA Topics - January, 2026

Practice problems across 75+ categories

All Coding Problems

Practice coding problems across all companies and topics 3600 problems | 879 Easy | 1856 Medium | 842 Hard

# Problem Difficulty Topics
1111 Find Resultant Array After Removing Anagrams Easy
ArrayHash TableString
1112 Find Right Interval Medium
ArrayBinary SearchSorting
1113 Find Root of N-Ary Tree Medium
Hash TableBit ManipulationTree
1114 Find Score of an Array After Marking All Elements Medium
ArrayHash TableSorting
1115 Find Servers That Handled Most Number of Requests Hard
ArrayHeap (Priority Queue)Simulation
1116 Find Shortest Path with K Hops Hard
GraphHeap (Priority Queue)Shortest Path
1117 Find Smallest Common Element in All Rows Medium
ArrayHash TableBinary Search
1118 Find Smallest Letter Greater Than Target Easy
ArrayBinary Search
1119 Find Sorted Submatrices With Maximum Element at Most K Hard
ArrayStackMatrix
1120 Find Special Substring of Length K Easy
String
1121 Find Students Who Improved Medium
Database
1122 Find Subarray With Bitwise OR Closest to K Hard
ArrayBinary SearchBit Manipulation
1123 Find Subarrays With Equal Sum Easy
ArrayHash Table
1124 Find Subsequence of Length K With the Largest Sum Easy
ArrayHash TableSorting
1125 Find Substring With Given Hash Value Hard
StringSliding WindowRolling Hash
Showing 1111-1125 of 3600
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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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