Array Coding Problems

Master array manipulation and traversal techniques

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

Master DSA Topics - April, 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
601 Find the Most Competitive Subsequence Medium
ArrayStackGreedy
602 Find the N-th Value After K Seconds Medium
ArrayMathSimulation
603 Find the Number of Copy Arrays Medium
ArrayMath
604 Find the Number of Distinct Colors Among the Balls Medium
ArrayHash TableSimulation
605 Find the Number of Good Pairs I Easy
ArrayHash Table
606 Find the Number of Good Pairs II Medium
ArrayHash Table
607 Find the Number of Subarrays Where Boundary Elements Are Maximum Hard
ArrayBinary SearchStack
608 Find the Number of Subsequences With Equal GCD Hard
ArrayMathDynamic Programming
609 Find the Number of Ways to Place People I Medium
ArrayMathGeometry
610 Find the Number of Ways to Place People II Hard
ArrayMathGeometry
611 Find the Number of Winning Players Easy
ArrayHash TableCounting
612 Find The Original Array of Prefix Xor Medium
ArrayBit Manipulation
613 Find the Peaks Easy
ArrayEnumeration
614 Find the Power of K-Size Subarrays I Medium
ArraySliding Window
615 Find the Power of K-Size Subarrays II Medium
ArraySliding Window
Showing 601-615 of 1947
1 ... 39 40 41 42 43 ... 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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