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
1861 Maximum Element-Sum of a Complete Subset of Indices Hard
ArrayMathNumber Theory
1862 Maximum Employees to Be Invited to a Meeting Hard
Depth-First SearchGraphTopological Sort
1863 Maximum Enemy Forts That Can Be Captured Easy
ArrayTwo Pointers
1864 Maximum Energy Boost From Two Drinks Medium
ArrayDynamic Programming
1865 Maximum Equal Frequency Hard
ArrayHash Table
1866 Maximum Erasure Value Medium
ArrayHash TableSliding Window
1867 Maximum Font to Fit a Sentence in a Screen Medium
ArrayStringBinary Search
1868 Maximum Frequency After Subarray Operation Medium
ArrayHash TableDynamic Programming
1869 Maximum Frequency of an Element After Performing Operations I Medium
ArrayBinary SearchSliding Window
1870 Maximum Frequency of an Element After Performing Operations II Hard
ArrayBinary SearchSliding Window
1871 Maximum Frequency Score of a Subarray Hard
ArrayHash TableMath
1872 Maximum Frequency Stack Hard
Hash TableStackDesign
1873 Maximum Fruits Harvested After at Most K Steps Hard
ArrayBinary SearchSliding Window
1874 Maximum Gap Medium
ArraySortingBucket Sort
1875 Maximum GCD-Sum of a Subarray Hard
ArrayMathBinary Search
Showing 1861-1875 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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