Array Coding Problems

Master array manipulation and traversal techniques

1947
Total Problems
398
Easy
1049
Medium
497
Hard
Start Practicing
0123

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Array Coding Problems

Practice problems frequently asked at Array 1947 problems | 398 Easy | 1049 Medium | 497 Hard

# Problem Difficulty Topics
31 Apple Redistribution into Boxes Easy
ArrayGreedySorting
32 Apply Discount Every n Orders Medium
ArrayHash TableDesign
33 Apply Operations on Array to Maximize Sum of Squares Hard
ArrayHash TableGreedy
34 Apply Operations to an Array Easy
ArrayTwo PointersSimulation
35 Apply Operations to Make All Array Elements Equal to Zero Medium
ArrayPrefix Sum
36 Apply Operations to Make String Empty Medium
ArrayHash TableSorting
37 Apply Operations to Maximize Frequency Score Hard
ArrayBinary SearchSliding Window
38 Apply Operations to Maximize Score Hard
ArrayMathStack
39 Apply Substitutions Medium
ArrayHash TableString
40 Arithmetic Slices Medium
ArrayDynamic ProgrammingSliding Window
41 Arithmetic Slices II - Subsequence Hard
ArrayDynamic Programming
42 Arithmetic Subarrays Medium
ArrayHash TableSorting
43 Array Nesting Medium
ArrayDepth-First Search
44 Array of Doubled Pairs Medium
ArrayHash TableGreedy
45 Array Partition Easy
ArrayGreedySorting
Showing 31-45 of 1947
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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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