Master DSA Topics - April, 2026

Practice problems across 75+ categories

All Coding Problems

Practice coding problems across all companies and topics 3600 problems | 879 Easy | 1856 Medium | 842 Hard

# Problem Difficulty Topics
331 Check If a String Can Break Another String Medium
StringGreedySorting
332 Check If a String Contains All Binary Codes of Size K Medium
Hash TableStringBit Manipulation
333 Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree Medium
TreeDepth-First SearchBreadth-First Search
334 Check if a String Is an Acronym of Words Easy
ArrayString
335 Check If a Word Occurs As a Prefix of Any Word in a Sentence Easy
Two PointersStringString Matching
336 Check If All 1's Are at Least Length K Places Away Easy
Array
337 Check if All A's Appears Before All B's Easy
String
338 Check if All Characters Have Equal Number of Occurrences Easy
Hash TableStringCounting
339 Check if All the Integers in a Range Are Covered Easy
ArrayHash TablePrefix Sum
340 Check if an Array Is Consecutive Easy
ArrayHash TableSorting
341 Check if an Original String Exists Given Two Encoded Strings Hard
StringDynamic Programming
342 Check if Any Element Has Prime Frequency Easy
ArrayHash TableMath
343 Check if Array is Good Easy
ArrayHash TableSorting
344 Check if Array Is Sorted and Rotated Easy
Array
345 Check If Array Pairs Are Divisible by k Medium
ArrayHash TableCounting
Showing 331-345 of 3911
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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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