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
1801 Maximize the Number of Target Nodes After Connecting Trees II Hard
TreeDepth-First SearchBreadth-First Search
1802 Maximize the Profit as the Salesman Medium
ArrayHash TableBinary Search
1803 Maximize the Topmost Element After K Moves Medium
ArrayGreedy
1804 Maximize the Total Height of Unique Towers Medium
ArrayGreedySorting
1805 Maximize Total Cost of Alternating Subarrays Medium
ArrayDynamic Programming
1806 Maximize Total Tastiness of Purchased Fruits Medium
ArrayDynamic Programming
1807 Maximize Value of Function in a Ball Passing Game Hard
ArrayDynamic ProgrammingBit Manipulation
1808 Maximize Win From Two Segments Medium
ArrayBinary SearchSliding Window
1809 Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values Medium
ArrayHash TableGreedy
1810 Maximum 69 Number Easy
MathGreedy
1811 Maximum Absolute Sum of Any Subarray Medium
ArrayDynamic Programming
1812 Maximum Alternating Subarray Sum Medium
ArrayDynamic Programming
1813 Maximum Alternating Subsequence Sum Medium
ArrayDynamic Programming
1814 Maximum Amount of Money Robot Can Earn Medium
ArrayDynamic ProgrammingMatrix
1815 Maximum and Minimum Sums of at Most Size K Subarrays Hard
ArrayMathStack
Showing 1801-1815 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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