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
226 Count Alternating Subarrays Medium
ArrayMath
227 Count Array Pairs Divisible by K Hard
ArrayMathNumber Theory
228 Count Artifacts That Can Be Extracted Medium
ArrayHash TableSimulation
229 Count Beautiful Splits in an Array Medium
ArrayDynamic Programming
230 Count Cells in Overlapping Horizontal and Vertical Substrings Medium
ArrayStringRolling Hash
231 Count Common Words With One Occurrence Easy
ArrayHash TableString
232 Count Complete Subarrays in an Array Medium
ArrayHash TableSliding Window
233 Count Connected Components in LCM Graph Hard
ArrayHash TableMath
234 Count Covered Buildings Medium
ArrayHash TableSorting
235 Count Days Without Meetings Medium
ArraySorting
236 Count Digits Frequency Easy
LoopsLoopArray
237 Count Distinct Numbers on Board Easy
ArrayHash TableMath
238 Count Elements With Maximum Frequency Easy
ArrayHash TableCounting
239 Count Elements With Strictly Smaller and Greater Elements Easy
ArraySortingCounting
240 Count Equal and Divisible Pairs in an Array Easy
Array
Showing 226-240 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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