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
331 Cyclically Rotating a Grid Medium
ArrayMatrixSimulation
332 Daily Temperatures Medium
ArrayStackMonotonic Stack
333 Decode XORed Array Easy
ArrayBit Manipulation
334 Decode XORed Permutation Medium
ArrayBit Manipulation
335 Decompress Run-Length Encoded List Easy
Array
336 Decrease Elements To Make Array Zigzag Medium
ArrayGreedy
337 Decremental String Concatenation Medium
ArrayStringDynamic Programming
338 Defuse the Bomb Easy
ArraySliding Window
339 Degree of an Array Easy
ArrayHash Table
340 Delete and Earn Medium
ArrayHash TableDynamic Programming
341 Delete Columns to Make Sorted Easy
ArrayString
342 Delete Columns to Make Sorted II Medium
ArrayStringGreedy
343 Delete Columns to Make Sorted III Hard
ArrayStringDynamic Programming
344 Delete Duplicate Folders in System Hard
ArrayHash TableString
345 Delete Greatest Value in Each Row Easy
ArraySortingHeap (Priority Queue)
Showing 331-345 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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