Array Coding Problems

Master array manipulation and traversal techniques

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

Master DSA Topics - February, 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
661 Get Biggest Three Rhombus Sums in a Grid Medium
ArrayMathSorting
662 Get Maximum in Generated Array Easy
ArraySimulation
663 Get the Maximum Score Hard
ArrayTwo PointersDynamic Programming
664 Get Watched Videos by Your Friends Medium
ArrayHash TableBreadth-First Search
665 Global and Local Inversions Medium
ArrayMath
666 Graph Connectivity With Threshold Hard
ArrayMathUnion Find
667 Greatest Common Divisor Traversal Hard
ArrayMathUnion Find
668 Greatest Sum Divisible by Three Medium
ArrayDynamic ProgrammingGreedy
669 Grid Game Medium
ArrayMatrixPrefix Sum
670 Grid Illumination Hard
ArrayHash Table
671 Grid Teleportation Traversal Medium
ArrayHash TableBreadth-First Search
672 Group Anagrams Medium
ArrayHash TableString
673 Group Shifted Strings Medium
ArrayHash TableString
674 Group the People Given the Group Size They Belong To Medium
ArrayHash TableGreedy
675 Groups of Special-Equivalent Strings Medium
ArrayHash TableString
Showing 661-675 of 1947
1 ... 43 44 45 46 47 ... 130

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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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