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
346 Check if Binary String Has at Most One Segment of Ones Easy
String
347 Check if Bitwise OR Has Trailing Zeros Easy
ArrayBit Manipulation
348 Check if DFS Strings Are Palindromes Hard
ArrayHash TableString
349 Check If Digits Are Equal in String After Operations I Easy
MathStringSimulation
350 Check If Digits Are Equal in String After Operations II Hard
MathStringCombinatorics
351 Check if Every Row and Column Contains All Numbers Easy
ArrayHash TableMatrix
352 Check if Grid can be Cut into Sections Medium
ArraySorting
353 Check if Grid Satisfies Conditions Easy
ArrayMatrix
354 Check If It Is a Good Array Hard
ArrayMathNumber Theory
355 Check If It Is a Straight Line Easy
ArrayMathGeometry
356 Check if it is Possible to Split Array Medium
ArrayDynamic ProgrammingGreedy
357 Check if Matrix Is X-Matrix Easy
ArrayMatrix
358 Check if Move is Legal Medium
ArrayMatrixEnumeration
359 Check If N and Its Double Exist Easy
ArrayHash TableTwo Pointers
360 Check if Number Has Equal Digit Count and Digit Value Easy
Hash TableStringCounting
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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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